19766120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{167}}^1\times {\mathrm{269}}^1$

素因数の和:458

約数の個数: 64

約数和(自身を含む): 48988800

約数和(自身を除く): 29222680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 167, 220, 269, 334, 440, 538, 668, 835, 1076, 1336, 1345, 1670, 1837, 2152, 2690, 2959, 3340, 3674, 5380, 5918, 6680, 7348, 9185, 10760, 11836, 14696, 14795, 18370, 23672, 29590, 36740, 44923, 59180, 73480, 89846, 118360, 179692, 224615, 359384, 449230, 494153, 898460, 988306, 1796920, 1976612, 2470765, 3953224, 4941530, 9883060, 19766120]

約数ペア:

[(1, 19766120), (2, 9883060), (4, 4941530), (5, 3953224), (8, 2470765), (10, 1976612), (11, 1796920), (20, 988306), (22, 898460), (40, 494153), (44, 449230), (55, 359384), (88, 224615), (110, 179692), (167, 118360), (220, 89846), (269, 73480), (334, 59180), (440, 44923), (538, 36740), (668, 29590), (835, 23672), (1076, 18370), (1336, 14795), (1345, 14696), (1670, 11836), (1837, 10760), (2152, 9185), (2690, 7348), (2959, 6680), (3340, 5918), (3674, 5380)]