18024020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{4153}}^1$

素因数の和:4200

約数の個数: 48

約数和(自身を含む): 44663808

約数和(自身を除く): 26639788

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4153, 4340, 8306, 16612, 20765, 29071, 41530, 58142, 83060, 116284, 128743, 145355, 257486, 290710, 514972, 581420, 643715, 901201, 1287430, 1802402, 2574860, 3604804, 4506005, 9012010, 18024020]

約数ペア:

[(1, 18024020), (2, 9012010), (4, 4506005), (5, 3604804), (7, 2574860), (10, 1802402), (14, 1287430), (20, 901201), (28, 643715), (31, 581420), (35, 514972), (62, 290710), (70, 257486), (124, 145355), (140, 128743), (155, 116284), (217, 83060), (310, 58142), (434, 41530), (620, 29071), (868, 20765), (1085, 16612), (2170, 8306), (4153, 4340)]