19121870

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{331}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 35497440

約数和(自身を除く): 16375570

約数列:

[1, 2, 5, 10, 53, 106, 109, 218, 265, 331, 530, 545, 662, 1090, 1655, 3310, 5777, 11554, 17543, 28885, 35086, 36079, 57770, 72158, 87715, 175430, 180395, 360790, 1912187, 3824374, 9560935, 19121870]

約数ペア:

[(1, 19121870), (2, 9560935), (5, 3824374), (10, 1912187), (53, 360790), (106, 180395), (109, 175430), (218, 87715), (265, 72158), (331, 57770), (530, 36079), (545, 35086), (662, 28885), (1090, 17543), (1655, 11554), (3310, 5777)]