19119472

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{577}}^1$

素因数の和:713

約数の個数: 40

約数和(自身を含む): 39419600

約数和(自身を除く): 20300128

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 109, 152, 218, 304, 436, 577, 872, 1154, 1744, 2071, 2308, 4142, 4616, 8284, 9232, 10963, 16568, 21926, 33136, 43852, 62893, 87704, 125786, 175408, 251572, 503144, 1006288, 1194967, 2389934, 4779868, 9559736, 19119472]

約数ペア:

[(1, 19119472), (2, 9559736), (4, 4779868), (8, 2389934), (16, 1194967), (19, 1006288), (38, 503144), (76, 251572), (109, 175408), (152, 125786), (218, 87704), (304, 62893), (436, 43852), (577, 33136), (872, 21926), (1154, 16568), (1744, 10963), (2071, 9232), (2308, 8284), (4142, 4616)]