18870293024

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{645889}}^1$

素因数の和:645993

約数の個数: 48

約数和(自身を含む): 41016598560

約数和(自身を除く): 22146305536

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 83, 88, 166, 176, 332, 352, 664, 913, 1328, 1826, 2656, 3652, 7304, 14608, 29216, 645889, 1291778, 2583556, 5167112, 7104779, 10334224, 14209558, 20668448, 28419116, 53608787, 56838232, 107217574, 113676464, 214435148, 227352928, 428870296, 589696657, 857740592, 1179393314, 1715481184, 2358786628, 4717573256, 9435146512, 18870293024]

約数ペア:

[(1, 18870293024), (2, 9435146512), (4, 4717573256), (8, 2358786628), (11, 1715481184), (16, 1179393314), (22, 857740592), (32, 589696657), (44, 428870296), (83, 227352928), (88, 214435148), (166, 113676464), (176, 107217574), (332, 56838232), (352, 53608787), (664, 28419116), (913, 20668448), (1328, 14209558), (1826, 10334224), (2656, 7104779), (3652, 5167112), (7304, 2583556), (14608, 1291778), (29216, 645889)]