18464998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{571}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 31299840

約数和(自身を除く): 12834842

約数列:

[1, 2, 19, 23, 37, 38, 46, 74, 437, 571, 703, 851, 874, 1142, 1406, 1702, 10849, 13133, 16169, 21127, 21698, 26266, 32338, 42254, 249527, 401413, 485921, 499054, 802826, 971842, 9232499, 18464998]

約数ペア:

[(1, 18464998), (2, 9232499), (19, 971842), (23, 802826), (37, 499054), (38, 485921), (46, 401413), (74, 249527), (437, 42254), (571, 32338), (703, 26266), (851, 21698), (874, 21127), (1142, 16169), (1406, 13133), (1702, 10849)]