1918249310

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:418

約数の個数: 96

約数和(自身を含む): 3836968704

約数和(自身を除く): 1918719394

約数列:

[1, 2, 5, 10, 19, 31, 38, 61, 62, 95, 122, 155, 190, 281, 305, 310, 361, 562, 589, 610, 722, 1159, 1178, 1405, 1805, 1891, 2318, 2810, 2945, 3610, 3782, 5339, 5795, 5890, 8711, 9455, 10678, 11191, 11590, 17141, 17422, 18910, 22021, 22382, 26695, 34282, 35929, 43555, 44042, 53390, 55955, 71858, 85705, 87110, 101441, 110105, 111910, 165509, 171410, 179645, 202882, 220210, 325679, 331018, 359290, 507205, 531371, 651358, 682651, 827545, 1014410, 1062742, 1365302, 1628395, 1655090, 2656855, 3144671, 3256790, 3413255, 5313710, 6187901, 6289342, 6826510, 10096049, 12375802, 15723355, 20192098, 30939505, 31446710, 50480245, 61879010, 100960490, 191824931, 383649862, 959124655, 1918249310]

約数ペア:

[(1, 1918249310), (2, 959124655), (5, 383649862), (10, 191824931), (19, 100960490), (31, 61879010), (38, 50480245), (61, 31446710), (62, 30939505), (95, 20192098), (122, 15723355), (155, 12375802), (190, 10096049), (281, 6826510), (305, 6289342), (310, 6187901), (361, 5313710), (562, 3413255), (589, 3256790), (610, 3144671), (722, 2656855), (1159, 1655090), (1178, 1628395), (1405, 1365302), (1805, 1062742), (1891, 1014410), (2318, 827545), (2810, 682651), (2945, 651358), (3610, 531371), (3782, 507205), (5339, 359290), (5795, 331018), (5890, 325679), (8711, 220210), (9455, 202882), (10678, 179645), (11191, 171410), (11590, 165509), (17141, 111910), (17422, 110105), (18910, 101441), (22021, 87110), (22382, 85705), (26695, 71858), (34282, 55955), (35929, 53390), (43555, 44042)]