18495910

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:165

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 18828890

約数列:

[1, 2, 5, 10, 23, 29, 46, 47, 58, 59, 94, 115, 118, 145, 230, 235, 290, 295, 470, 590, 667, 1081, 1334, 1357, 1363, 1711, 2162, 2714, 2726, 2773, 3335, 3422, 5405, 5546, 6670, 6785, 6815, 8555, 10810, 13570, 13630, 13865, 17110, 27730, 31349, 39353, 62698, 63779, 78706, 80417, 127558, 156745, 160834, 196765, 313490, 318895, 393530, 402085, 637790, 804170, 1849591, 3699182, 9247955, 18495910]

約数ペア:

[(1, 18495910), (2, 9247955), (5, 3699182), (10, 1849591), (23, 804170), (29, 637790), (46, 402085), (47, 393530), (58, 318895), (59, 313490), (94, 196765), (115, 160834), (118, 156745), (145, 127558), (230, 80417), (235, 78706), (290, 63779), (295, 62698), (470, 39353), (590, 31349), (667, 27730), (1081, 17110), (1334, 13865), (1357, 13630), (1363, 13570), (1711, 10810), (2162, 8555), (2714, 6815), (2726, 6785), (2773, 6670), (3335, 5546), (3422, 5405)]