19409584

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{709}}^1$

素因数の和:805

約数の個数: 40

約数和(自身を含む): 39618000

約数和(自身を除く): 20208416

約数列:

[1, 2, 4, 8, 16, 29, 58, 59, 116, 118, 232, 236, 464, 472, 709, 944, 1418, 1711, 2836, 3422, 5672, 6844, 11344, 13688, 20561, 27376, 41122, 41831, 82244, 83662, 164488, 167324, 328976, 334648, 669296, 1213099, 2426198, 4852396, 9704792, 19409584]

約数ペア:

[(1, 19409584), (2, 9704792), (4, 4852396), (8, 2426198), (16, 1213099), (29, 669296), (58, 334648), (59, 328976), (116, 167324), (118, 164488), (232, 83662), (236, 82244), (464, 41831), (472, 41122), (709, 27376), (944, 20561), (1418, 13688), (1711, 11344), (2836, 6844), (3422, 5672)]