19007989340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{707669}}^1$

素因数の和:707774

約数の個数: 48

約数和(自身を含む): 42799881600

約数和(自身を除く): 23791892260

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 79, 85, 158, 170, 316, 340, 395, 790, 1343, 1580, 2686, 5372, 6715, 13430, 26860, 707669, 1415338, 2830676, 3538345, 7076690, 12030373, 14153380, 24060746, 48121492, 55905851, 60151865, 111811702, 120303730, 223623404, 240607460, 279529255, 559058510, 950399467, 1118117020, 1900798934, 3801597868, 4751997335, 9503994670, 19007989340]

約数ペア:

[(1, 19007989340), (2, 9503994670), (4, 4751997335), (5, 3801597868), (10, 1900798934), (17, 1118117020), (20, 950399467), (34, 559058510), (68, 279529255), (79, 240607460), (85, 223623404), (158, 120303730), (170, 111811702), (316, 60151865), (340, 55905851), (395, 48121492), (790, 24060746), (1343, 14153380), (1580, 12030373), (2686, 7076690), (5372, 3538345), (6715, 2830676), (13430, 1415338), (26860, 707669)]