18407460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{149}}^1$

素因数の和:261

約数の個数: 96

約数和(自身を含む): 54432000

約数和(自身を除く): 36024540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 71, 87, 116, 142, 145, 149, 174, 213, 284, 290, 298, 348, 355, 426, 435, 447, 580, 596, 710, 745, 852, 870, 894, 1065, 1420, 1490, 1740, 1788, 2059, 2130, 2235, 2980, 4118, 4260, 4321, 4470, 6177, 8236, 8642, 8940, 10295, 10579, 12354, 12963, 17284, 20590, 21158, 21605, 24708, 25926, 30885, 31737, 41180, 42316, 43210, 51852, 52895, 61770, 63474, 64815, 86420, 105790, 123540, 126948, 129630, 158685, 211580, 259260, 306791, 317370, 613582, 634740, 920373, 1227164, 1533955, 1840746, 3067910, 3681492, 4601865, 6135820, 9203730, 18407460]

約数ペア:

[(1, 18407460), (2, 9203730), (3, 6135820), (4, 4601865), (5, 3681492), (6, 3067910), (10, 1840746), (12, 1533955), (15, 1227164), (20, 920373), (29, 634740), (30, 613582), (58, 317370), (60, 306791), (71, 259260), (87, 211580), (116, 158685), (142, 129630), (145, 126948), (149, 123540), (174, 105790), (213, 86420), (284, 64815), (290, 63474), (298, 61770), (348, 52895), (355, 51852), (426, 43210), (435, 42316), (447, 41180), (580, 31737), (596, 30885), (710, 25926), (745, 24708), (852, 21605), (870, 21158), (894, 20590), (1065, 17284), (1420, 12963), (1490, 12354), (1740, 10579), (1788, 10295), (2059, 8940), (2130, 8642), (2235, 8236), (2980, 6177), (4118, 4470), (4260, 4321)]