20131918064

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{179}}^1\times {\mathrm{64489}}^1$

素因数の和:64785

約数の個数: 40

約数和(自身を含む): 39583962000

約数和(自身を除く): 19452043936

約数列:

[1, 2, 4, 8, 16, 109, 179, 218, 358, 436, 716, 872, 1432, 1744, 2864, 19511, 39022, 64489, 78044, 128978, 156088, 257956, 312176, 515912, 1031824, 7029301, 11543531, 14058602, 23087062, 28117204, 46174124, 56234408, 92348248, 112468816, 184696496, 1258244879, 2516489758, 5032979516, 10065959032, 20131918064]

約数ペア:

[(1, 20131918064), (2, 10065959032), (4, 5032979516), (8, 2516489758), (16, 1258244879), (109, 184696496), (179, 112468816), (218, 92348248), (358, 56234408), (436, 46174124), (716, 28117204), (872, 23087062), (1432, 14058602), (1744, 11543531), (2864, 7029301), (19511, 1031824), (39022, 515912), (64489, 312176), (78044, 257956), (128978, 156088)]