18910916894

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{56401}}^1$

素因数の和:56660

約数の個数: 32

約数和(自身を含む): 30554542656

約数和(自身を除く): 11643625762

約数列:

[1, 2, 23, 37, 46, 74, 197, 394, 851, 1702, 4531, 7289, 9062, 14578, 56401, 112802, 167647, 335294, 1297223, 2086837, 2594446, 4173674, 11110997, 22221994, 47997251, 95994502, 255552931, 411106889, 511105862, 822213778, 9455458447, 18910916894]

約数ペア:

[(1, 18910916894), (2, 9455458447), (23, 822213778), (37, 511105862), (46, 411106889), (74, 255552931), (197, 95994502), (394, 47997251), (851, 22221994), (1702, 11110997), (4531, 4173674), (7289, 2594446), (9062, 2086837), (14578, 1297223), (56401, 335294), (112802, 167647)]