19588840

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6199}}^1$

素因数の和:6289

約数の個数: 32

約数和(自身を含む): 44640000

約数和(自身を除く): 25051160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 6199, 12398, 24796, 30995, 49592, 61990, 123980, 247960, 489721, 979442, 1958884, 2448605, 3917768, 4897210, 9794420, 19588840]

約数ペア:

[(1, 19588840), (2, 9794420), (4, 4897210), (5, 3917768), (8, 2448605), (10, 1958884), (20, 979442), (40, 489721), (79, 247960), (158, 123980), (316, 61990), (395, 49592), (632, 30995), (790, 24796), (1580, 12398), (3160, 6199)]