18026632

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:230

約数の個数: 64

約数和(自身を含む): 38808000

約数和(自身を除く): 20781368

約数列:

[1, 2, 4, 8, 13, 26, 29, 43, 52, 58, 86, 104, 116, 139, 172, 232, 278, 344, 377, 556, 559, 754, 1112, 1118, 1247, 1508, 1807, 2236, 2494, 3016, 3614, 4031, 4472, 4988, 5977, 7228, 8062, 9976, 11954, 14456, 16124, 16211, 23908, 32248, 32422, 47816, 52403, 64844, 77701, 104806, 129688, 155402, 173333, 209612, 310804, 346666, 419224, 621608, 693332, 1386664, 2253329, 4506658, 9013316, 18026632]

約数ペア:

[(1, 18026632), (2, 9013316), (4, 4506658), (8, 2253329), (13, 1386664), (26, 693332), (29, 621608), (43, 419224), (52, 346666), (58, 310804), (86, 209612), (104, 173333), (116, 155402), (139, 129688), (172, 104806), (232, 77701), (278, 64844), (344, 52403), (377, 47816), (556, 32422), (559, 32248), (754, 23908), (1112, 16211), (1118, 16124), (1247, 14456), (1508, 11954), (1807, 9976), (2236, 8062), (2494, 7228), (3016, 5977), (3614, 4988), (4031, 4472)]