18271856

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{743}}^1$

素因数の和:833

約数の個数: 40

約数和(自身を含む): 37363680

約数和(自身を除く): 19091824

約数列:

[1, 2, 4, 8, 16, 29, 53, 58, 106, 116, 212, 232, 424, 464, 743, 848, 1486, 1537, 2972, 3074, 5944, 6148, 11888, 12296, 21547, 24592, 39379, 43094, 78758, 86188, 157516, 172376, 315032, 344752, 630064, 1141991, 2283982, 4567964, 9135928, 18271856]

約数ペア:

[(1, 18271856), (2, 9135928), (4, 4567964), (8, 2283982), (16, 1141991), (29, 630064), (53, 344752), (58, 315032), (106, 172376), (116, 157516), (212, 86188), (232, 78758), (424, 43094), (464, 39379), (743, 24592), (848, 21547), (1486, 12296), (1537, 11888), (2972, 6148), (3074, 5944)]