19551280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{34913}}^1$

素因数の和:34933

約数の個数: 40

約数和(自身を含む): 51952032

約数和(自身を除く): 32400752

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 34913, 69826, 139652, 174565, 244391, 279304, 349130, 488782, 558608, 698260, 977564, 1221955, 1396520, 1955128, 2443910, 2793040, 3910256, 4887820, 9775640, 19551280]

約数ペア:

[(1, 19551280), (2, 9775640), (4, 4887820), (5, 3910256), (7, 2793040), (8, 2443910), (10, 1955128), (14, 1396520), (16, 1221955), (20, 977564), (28, 698260), (35, 558608), (40, 488782), (56, 349130), (70, 279304), (80, 244391), (112, 174565), (140, 139652), (280, 69826), (560, 34913)]