19408428

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{367}}^1$

素因数の和:503

約数の個数: 72

約数和(自身を含む): 53446848

約数和(自身を除く): 34038420

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 113, 117, 156, 226, 234, 339, 367, 452, 468, 678, 734, 1017, 1101, 1356, 1468, 1469, 2034, 2202, 2938, 3303, 4068, 4404, 4407, 4771, 5876, 6606, 8814, 9542, 13212, 13221, 14313, 17628, 19084, 26442, 28626, 41471, 42939, 52884, 57252, 82942, 85878, 124413, 165884, 171756, 248826, 373239, 497652, 539123, 746478, 1078246, 1492956, 1617369, 2156492, 3234738, 4852107, 6469476, 9704214, 19408428]

約数ペア:

[(1, 19408428), (2, 9704214), (3, 6469476), (4, 4852107), (6, 3234738), (9, 2156492), (12, 1617369), (13, 1492956), (18, 1078246), (26, 746478), (36, 539123), (39, 497652), (52, 373239), (78, 248826), (113, 171756), (117, 165884), (156, 124413), (226, 85878), (234, 82942), (339, 57252), (367, 52884), (452, 42939), (468, 41471), (678, 28626), (734, 26442), (1017, 19084), (1101, 17628), (1356, 14313), (1468, 13221), (1469, 13212), (2034, 9542), (2202, 8814), (2938, 6606), (3303, 5876), (4068, 4771), (4404, 4407)]