18854460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{149}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 62244000

約数和(自身を除く): 43389540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 37, 38, 45, 57, 60, 74, 76, 90, 95, 111, 114, 148, 149, 171, 180, 185, 190, 222, 228, 285, 298, 333, 342, 370, 380, 444, 447, 555, 570, 596, 666, 684, 703, 740, 745, 855, 894, 1110, 1140, 1332, 1341, 1406, 1490, 1665, 1710, 1788, 2109, 2220, 2235, 2682, 2812, 2831, 2980, 3330, 3420, 3515, 4218, 4470, 5364, 5513, 5662, 6327, 6660, 6705, 7030, 8436, 8493, 8940, 10545, 11026, 11324, 12654, 13410, 14060, 14155, 16539, 16986, 21090, 22052, 25308, 25479, 26820, 27565, 28310, 31635, 33078, 33972, 42180, 42465, 49617, 50958, 55130, 56620, 63270, 66156, 82695, 84930, 99234, 101916, 104747, 110260, 126540, 127395, 165390, 169860, 198468, 209494, 248085, 254790, 314241, 330780, 418988, 496170, 509580, 523735, 628482, 942723, 992340, 1047470, 1256964, 1571205, 1885446, 2094940, 3142410, 3770892, 4713615, 6284820, 9427230, 18854460]

約数ペア:

[(1, 18854460), (2, 9427230), (3, 6284820), (4, 4713615), (5, 3770892), (6, 3142410), (9, 2094940), (10, 1885446), (12, 1571205), (15, 1256964), (18, 1047470), (19, 992340), (20, 942723), (30, 628482), (36, 523735), (37, 509580), (38, 496170), (45, 418988), (57, 330780), (60, 314241), (74, 254790), (76, 248085), (90, 209494), (95, 198468), (111, 169860), (114, 165390), (148, 127395), (149, 126540), (171, 110260), (180, 104747), (185, 101916), (190, 99234), (222, 84930), (228, 82695), (285, 66156), (298, 63270), (333, 56620), (342, 55130), (370, 50958), (380, 49617), (444, 42465), (447, 42180), (555, 33972), (570, 33078), (596, 31635), (666, 28310), (684, 27565), (703, 26820), (740, 25479), (745, 25308), (855, 22052), (894, 21090), (1110, 16986), (1140, 16539), (1332, 14155), (1341, 14060), (1406, 13410), (1490, 12654), (1665, 11324), (1710, 11026), (1788, 10545), (2109, 8940), (2220, 8493), (2235, 8436), (2682, 7030), (2812, 6705), (2831, 6660), (2980, 6327), (3330, 5662), (3420, 5513), (3515, 5364), (4218, 4470)]