19516616

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2339}}^1$

素因数の和:2501

約数の個数: 32

約数和(自身を含む): 42120000

約数和(自身を除く): 22603384

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2339, 4172, 4678, 8344, 9356, 16373, 18712, 32746, 65492, 130984, 348511, 697022, 1394044, 2439577, 2788088, 4879154, 9758308, 19516616]

約数ペア:

[(1, 19516616), (2, 9758308), (4, 4879154), (7, 2788088), (8, 2439577), (14, 1394044), (28, 697022), (56, 348511), (149, 130984), (298, 65492), (596, 32746), (1043, 18712), (1192, 16373), (2086, 9356), (2339, 8344), (4172, 4678)]