19899873648

素因数分解:

$2^4\times 3^2\times {\mathrm{31}}^1\times {\mathrm{4457857}}^1$

素因数の和:4457902

約数の個数: 60

約数和(自身を含む): 57488536768

約数和(自身を除く): 37588663120

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 36, 48, 62, 72, 93, 124, 144, 186, 248, 279, 372, 496, 558, 744, 1116, 1488, 2232, 4464, 4457857, 8915714, 13373571, 17831428, 26747142, 35662856, 40120713, 53494284, 71325712, 80241426, 106988568, 138193567, 160482852, 213977136, 276387134, 320965704, 414580701, 552774268, 641931408, 829161402, 1105548536, 1243742103, 1658322804, 2211097072, 2487484206, 3316645608, 4974968412, 6633291216, 9949936824, 19899873648]

約数ペア:

[(1, 19899873648), (2, 9949936824), (3, 6633291216), (4, 4974968412), (6, 3316645608), (8, 2487484206), (9, 2211097072), (12, 1658322804), (16, 1243742103), (18, 1105548536), (24, 829161402), (31, 641931408), (36, 552774268), (48, 414580701), (62, 320965704), (72, 276387134), (93, 213977136), (124, 160482852), (144, 138193567), (186, 106988568), (248, 80241426), (279, 71325712), (372, 53494284), (496, 40120713), (558, 35662856), (744, 26747142), (1116, 17831428), (1488, 13373571), (2232, 8915714), (4464, 4457857)]