18350910

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:210

約数の個数: 96

約数和(自身を含む): 50544000

約数和(自身を除く): 32193090

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 29, 30, 45, 58, 79, 87, 89, 90, 145, 158, 174, 178, 237, 261, 267, 290, 395, 435, 445, 474, 522, 534, 711, 790, 801, 870, 890, 1185, 1305, 1335, 1422, 1602, 2291, 2370, 2581, 2610, 2670, 3555, 4005, 4582, 5162, 6873, 7031, 7110, 7743, 8010, 11455, 12905, 13746, 14062, 15486, 20619, 21093, 22910, 23229, 25810, 34365, 35155, 38715, 41238, 42186, 46458, 63279, 68730, 70310, 77430, 103095, 105465, 116145, 126558, 203899, 206190, 210930, 232290, 316395, 407798, 611697, 632790, 1019495, 1223394, 1835091, 2038990, 3058485, 3670182, 6116970, 9175455, 18350910]

約数ペア:

[(1, 18350910), (2, 9175455), (3, 6116970), (5, 3670182), (6, 3058485), (9, 2038990), (10, 1835091), (15, 1223394), (18, 1019495), (29, 632790), (30, 611697), (45, 407798), (58, 316395), (79, 232290), (87, 210930), (89, 206190), (90, 203899), (145, 126558), (158, 116145), (174, 105465), (178, 103095), (237, 77430), (261, 70310), (267, 68730), (290, 63279), (395, 46458), (435, 42186), (445, 41238), (474, 38715), (522, 35155), (534, 34365), (711, 25810), (790, 23229), (801, 22910), (870, 21093), (890, 20619), (1185, 15486), (1305, 14062), (1335, 13746), (1422, 12905), (1602, 11455), (2291, 8010), (2370, 7743), (2581, 7110), (2610, 7031), (2670, 6873), (3555, 5162), (4005, 4582)]