18770672

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{229}}^1$

素因数の和:393

約数の個数: 40

約数和(自身を含む): 37646400

約数和(自身を除く): 18875728

約数列:

[1, 2, 4, 8, 16, 47, 94, 109, 188, 218, 229, 376, 436, 458, 752, 872, 916, 1744, 1832, 3664, 5123, 10246, 10763, 20492, 21526, 24961, 40984, 43052, 49922, 81968, 86104, 99844, 172208, 199688, 399376, 1173167, 2346334, 4692668, 9385336, 18770672]

約数ペア:

[(1, 18770672), (2, 9385336), (4, 4692668), (8, 2346334), (16, 1173167), (47, 399376), (94, 199688), (109, 172208), (188, 99844), (218, 86104), (229, 81968), (376, 49922), (436, 43052), (458, 40984), (752, 24961), (872, 21526), (916, 20492), (1744, 10763), (1832, 10246), (3664, 5123)]