18323984

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{59}}^2$

素因数の和:180

約数の個数: 60

約数和(自身を含む): 42152064

約数和(自身を除く): 23828080

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 59, 94, 112, 118, 188, 236, 329, 376, 413, 472, 658, 752, 826, 944, 1316, 1652, 2632, 2773, 3304, 3481, 5264, 5546, 6608, 6962, 11092, 13924, 19411, 22184, 24367, 27848, 38822, 44368, 48734, 55696, 77644, 97468, 155288, 163607, 194936, 310576, 327214, 389872, 654428, 1145249, 1308856, 2290498, 2617712, 4580996, 9161992, 18323984]

約数ペア:

[(1, 18323984), (2, 9161992), (4, 4580996), (7, 2617712), (8, 2290498), (14, 1308856), (16, 1145249), (28, 654428), (47, 389872), (56, 327214), (59, 310576), (94, 194936), (112, 163607), (118, 155288), (188, 97468), (236, 77644), (329, 55696), (376, 48734), (413, 44368), (472, 38822), (658, 27848), (752, 24367), (826, 22184), (944, 19411), (1316, 13924), (1652, 11092), (2632, 6962), (2773, 6608), (3304, 5546), (3481, 5264)]