19189664

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:469

約数の個数: 48

約数和(自身を含む): 41080032

約数和(自身を除く): 21890368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 163, 208, 283, 326, 416, 566, 652, 1132, 1304, 2119, 2264, 2608, 3679, 4238, 4528, 5216, 7358, 8476, 9056, 14716, 16952, 29432, 33904, 46129, 58864, 67808, 92258, 117728, 184516, 369032, 599677, 738064, 1199354, 1476128, 2398708, 4797416, 9594832, 19189664]

約数ペア:

[(1, 19189664), (2, 9594832), (4, 4797416), (8, 2398708), (13, 1476128), (16, 1199354), (26, 738064), (32, 599677), (52, 369032), (104, 184516), (163, 117728), (208, 92258), (283, 67808), (326, 58864), (416, 46129), (566, 33904), (652, 29432), (1132, 16952), (1304, 14716), (2119, 9056), (2264, 8476), (2608, 7358), (3679, 5216), (4238, 4528)]