19460408

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1$

素因数の和:252

約数の個数: 64

約数和(自身を含む): 42681600

約数和(自身を除く): 23221192

約数列:

[1, 2, 4, 8, 11, 19, 22, 38, 44, 76, 88, 103, 113, 152, 206, 209, 226, 412, 418, 452, 824, 836, 904, 1133, 1243, 1672, 1957, 2147, 2266, 2486, 3914, 4294, 4532, 4972, 7828, 8588, 9064, 9944, 11639, 15656, 17176, 21527, 23278, 23617, 43054, 46556, 47234, 86108, 93112, 94468, 128029, 172216, 188936, 221141, 256058, 442282, 512116, 884564, 1024232, 1769128, 2432551, 4865102, 9730204, 19460408]

約数ペア:

[(1, 19460408), (2, 9730204), (4, 4865102), (8, 2432551), (11, 1769128), (19, 1024232), (22, 884564), (38, 512116), (44, 442282), (76, 256058), (88, 221141), (103, 188936), (113, 172216), (152, 128029), (206, 94468), (209, 93112), (226, 86108), (412, 47234), (418, 46556), (452, 43054), (824, 23617), (836, 23278), (904, 21527), (1133, 17176), (1243, 15656), (1672, 11639), (1957, 9944), (2147, 9064), (2266, 8588), (2486, 7828), (3914, 4972), (4294, 4532)]