2018923720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{417133}}^1$

素因数の和:417166

約数の個数: 48

約数和(自身を含む): 4993093980

約数和(自身を除く): 2974170260

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 220, 242, 440, 484, 605, 968, 1210, 2420, 4840, 417133, 834266, 1668532, 2085665, 3337064, 4171330, 4588463, 8342660, 9176926, 16685320, 18353852, 22942315, 36707704, 45884630, 50473093, 91769260, 100946186, 183538520, 201892372, 252365465, 403784744, 504730930, 1009461860, 2018923720]

約数ペア:

[(1, 2018923720), (2, 1009461860), (4, 504730930), (5, 403784744), (8, 252365465), (10, 201892372), (11, 183538520), (20, 100946186), (22, 91769260), (40, 50473093), (44, 45884630), (55, 36707704), (88, 22942315), (110, 18353852), (121, 16685320), (220, 9176926), (242, 8342660), (440, 4588463), (484, 4171330), (605, 3337064), (968, 2085665), (1210, 1668532), (2420, 834266), (4840, 417133)]