19474260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24967}}^1$

素因数の和:24992

約数の個数: 48

約数和(自身を含む): 58724736

約数和(自身を除く): 39250476

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 24967, 49934, 74901, 99868, 124835, 149802, 249670, 299604, 324571, 374505, 499340, 649142, 749010, 973713, 1298284, 1498020, 1622855, 1947426, 3245710, 3894852, 4868565, 6491420, 9737130, 19474260]

約数ペア:

[(1, 19474260), (2, 9737130), (3, 6491420), (4, 4868565), (5, 3894852), (6, 3245710), (10, 1947426), (12, 1622855), (13, 1498020), (15, 1298284), (20, 973713), (26, 749010), (30, 649142), (39, 499340), (52, 374505), (60, 324571), (65, 299604), (78, 249670), (130, 149802), (156, 124835), (195, 99868), (260, 74901), (390, 49934), (780, 24967)]