19857060

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1031}}^1$

素因数の和:1153

約数の個数: 72

約数和(自身を含む): 60854976

約数和(自身を除く): 40997916

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 107, 180, 214, 321, 428, 535, 642, 963, 1031, 1070, 1284, 1605, 1926, 2062, 2140, 3093, 3210, 3852, 4124, 4815, 5155, 6186, 6420, 9279, 9630, 10310, 12372, 15465, 18558, 19260, 20620, 30930, 37116, 46395, 61860, 92790, 110317, 185580, 220634, 330951, 441268, 551585, 661902, 992853, 1103170, 1323804, 1654755, 1985706, 2206340, 3309510, 3971412, 4964265, 6619020, 9928530, 19857060]

約数ペア:

[(1, 19857060), (2, 9928530), (3, 6619020), (4, 4964265), (5, 3971412), (6, 3309510), (9, 2206340), (10, 1985706), (12, 1654755), (15, 1323804), (18, 1103170), (20, 992853), (30, 661902), (36, 551585), (45, 441268), (60, 330951), (90, 220634), (107, 185580), (180, 110317), (214, 92790), (321, 61860), (428, 46395), (535, 37116), (642, 30930), (963, 20620), (1031, 19260), (1070, 18558), (1284, 15465), (1605, 12372), (1926, 10310), (2062, 9630), (2140, 9279), (3093, 6420), (3210, 6186), (3852, 5155), (4124, 4815)]