18201790

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{563}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 33988896

約数和(自身を除く): 15787106

約数列:

[1, 2, 5, 10, 53, 61, 106, 122, 265, 305, 530, 563, 610, 1126, 2815, 3233, 5630, 6466, 16165, 29839, 32330, 34343, 59678, 68686, 149195, 171715, 298390, 343430, 1820179, 3640358, 9100895, 18201790]

約数ペア:

[(1, 18201790), (2, 9100895), (5, 3640358), (10, 1820179), (53, 343430), (61, 298390), (106, 171715), (122, 149195), (265, 68686), (305, 59678), (530, 34343), (563, 32330), (610, 29839), (1126, 16165), (2815, 6466), (3233, 5630)]