18943260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:132

約数の個数: 192

約数和(自身を含む): 66189312

約数和(自身を除く): 47246052

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 37, 42, 46, 53, 60, 69, 70, 74, 84, 92, 105, 106, 111, 115, 138, 140, 148, 159, 161, 185, 210, 212, 222, 230, 259, 265, 276, 318, 322, 345, 370, 371, 420, 444, 460, 483, 518, 530, 555, 636, 644, 690, 740, 742, 777, 795, 805, 851, 966, 1036, 1060, 1110, 1113, 1219, 1295, 1380, 1484, 1554, 1590, 1610, 1702, 1855, 1932, 1961, 2220, 2226, 2415, 2438, 2553, 2590, 3108, 3180, 3220, 3404, 3657, 3710, 3885, 3922, 4255, 4452, 4830, 4876, 5106, 5180, 5565, 5883, 5957, 6095, 7314, 7420, 7770, 7844, 8510, 8533, 9660, 9805, 10212, 11130, 11766, 11914, 12190, 12765, 13727, 14628, 15540, 17020, 17066, 17871, 18285, 19610, 22260, 23532, 23828, 24380, 25530, 25599, 27454, 29415, 29785, 34132, 35742, 36570, 39220, 41181, 42665, 45103, 51060, 51198, 54908, 58830, 59570, 68635, 71484, 73140, 82362, 85330, 89355, 90206, 102396, 117660, 119140, 127995, 135309, 137270, 164724, 170660, 178710, 180412, 205905, 225515, 255990, 270618, 274540, 315721, 357420, 411810, 451030, 511980, 541236, 631442, 676545, 823620, 902060, 947163, 1262884, 1353090, 1578605, 1894326, 2706180, 3157210, 3788652, 4735815, 6314420, 9471630, 18943260]

約数ペア:

[(1, 18943260), (2, 9471630), (3, 6314420), (4, 4735815), (5, 3788652), (6, 3157210), (7, 2706180), (10, 1894326), (12, 1578605), (14, 1353090), (15, 1262884), (20, 947163), (21, 902060), (23, 823620), (28, 676545), (30, 631442), (35, 541236), (37, 511980), (42, 451030), (46, 411810), (53, 357420), (60, 315721), (69, 274540), (70, 270618), (74, 255990), (84, 225515), (92, 205905), (105, 180412), (106, 178710), (111, 170660), (115, 164724), (138, 137270), (140, 135309), (148, 127995), (159, 119140), (161, 117660), (185, 102396), (210, 90206), (212, 89355), (222, 85330), (230, 82362), (259, 73140), (265, 71484), (276, 68635), (318, 59570), (322, 58830), (345, 54908), (370, 51198), (371, 51060), (420, 45103), (444, 42665), (460, 41181), (483, 39220), (518, 36570), (530, 35742), (555, 34132), (636, 29785), (644, 29415), (690, 27454), (740, 25599), (742, 25530), (777, 24380), (795, 23828), (805, 23532), (851, 22260), (966, 19610), (1036, 18285), (1060, 17871), (1110, 17066), (1113, 17020), (1219, 15540), (1295, 14628), (1380, 13727), (1484, 12765), (1554, 12190), (1590, 11914), (1610, 11766), (1702, 11130), (1855, 10212), (1932, 9805), (1961, 9660), (2220, 8533), (2226, 8510), (2415, 7844), (2438, 7770), (2553, 7420), (2590, 7314), (3108, 6095), (3180, 5957), (3220, 5883), (3404, 5565), (3657, 5180), (3710, 5106), (3885, 4876), (3922, 4830), (4255, 4452)]