18606736

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{227}}^1$

素因数の和:391

約数の個数: 40

約数和(自身を含む): 37319040

約数和(自身を除く): 18712304

約数列:

[1, 2, 4, 8, 16, 47, 94, 109, 188, 218, 227, 376, 436, 454, 752, 872, 908, 1744, 1816, 3632, 5123, 10246, 10669, 20492, 21338, 24743, 40984, 42676, 49486, 81968, 85352, 98972, 170704, 197944, 395888, 1162921, 2325842, 4651684, 9303368, 18606736]

約数ペア:

[(1, 18606736), (2, 9303368), (4, 4651684), (8, 2325842), (16, 1162921), (47, 395888), (94, 197944), (109, 170704), (188, 98972), (218, 85352), (227, 81968), (376, 49486), (436, 42676), (454, 40984), (752, 24743), (872, 21338), (908, 20492), (1744, 10669), (1816, 10246), (3632, 5123)]