19831460

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 45904320

約数和(自身を除く): 26072860

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 827, 1090, 1199, 1654, 2180, 2398, 3308, 4135, 4796, 5995, 8270, 9097, 11990, 16540, 18194, 23980, 36388, 45485, 90143, 90970, 180286, 181940, 360572, 450715, 901430, 991573, 1802860, 1983146, 3966292, 4957865, 9915730, 19831460]

約数ペア:

[(1, 19831460), (2, 9915730), (4, 4957865), (5, 3966292), (10, 1983146), (11, 1802860), (20, 991573), (22, 901430), (44, 450715), (55, 360572), (109, 181940), (110, 180286), (218, 90970), (220, 90143), (436, 45485), (545, 36388), (827, 23980), (1090, 18194), (1199, 16540), (1654, 11990), (2180, 9097), (2398, 8270), (3308, 5995), (4135, 4796)]