19762120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{433}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 51246720

約数和(自身を除く): 31484600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 163, 280, 326, 433, 652, 815, 866, 1141, 1304, 1630, 1732, 2165, 2282, 3031, 3260, 3464, 4330, 4564, 5705, 6062, 6520, 8660, 9128, 11410, 12124, 15155, 17320, 22820, 24248, 30310, 45640, 60620, 70579, 121240, 141158, 282316, 352895, 494053, 564632, 705790, 988106, 1411580, 1976212, 2470265, 2823160, 3952424, 4940530, 9881060, 19762120]

約数ペア:

[(1, 19762120), (2, 9881060), (4, 4940530), (5, 3952424), (7, 2823160), (8, 2470265), (10, 1976212), (14, 1411580), (20, 988106), (28, 705790), (35, 564632), (40, 494053), (56, 352895), (70, 282316), (140, 141158), (163, 121240), (280, 70579), (326, 60620), (433, 45640), (652, 30310), (815, 24248), (866, 22820), (1141, 17320), (1304, 15155), (1630, 12124), (1732, 11410), (2165, 9128), (2282, 8660), (3031, 6520), (3260, 6062), (3464, 5705), (4330, 4564)]