18759780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8017}}^1$

素因数の和:8045

約数の個数: 72

約数和(自身を含む): 61289592

約数和(自身を除く): 42529812

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 8017, 16034, 24051, 32068, 40085, 48102, 72153, 80170, 96204, 104221, 120255, 144306, 160340, 208442, 240510, 288612, 312663, 360765, 416884, 481020, 521105, 625326, 721530, 937989, 1042210, 1250652, 1443060, 1563315, 1875978, 2084420, 3126630, 3751956, 4689945, 6253260, 9379890, 18759780]

約数ペア:

[(1, 18759780), (2, 9379890), (3, 6253260), (4, 4689945), (5, 3751956), (6, 3126630), (9, 2084420), (10, 1875978), (12, 1563315), (13, 1443060), (15, 1250652), (18, 1042210), (20, 937989), (26, 721530), (30, 625326), (36, 521105), (39, 481020), (45, 416884), (52, 360765), (60, 312663), (65, 288612), (78, 240510), (90, 208442), (117, 160340), (130, 144306), (156, 120255), (180, 104221), (195, 96204), (234, 80170), (260, 72153), (390, 48102), (468, 40085), (585, 32068), (780, 24051), (1170, 16034), (2340, 8017)]