18555618

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 41057280

約数和(自身を除く): 22501662

約数列:

[1, 2, 3, 6, 23, 43, 46, 53, 59, 69, 86, 106, 118, 129, 138, 159, 177, 258, 318, 354, 989, 1219, 1357, 1978, 2279, 2438, 2537, 2714, 2967, 3127, 3657, 4071, 4558, 5074, 5934, 6254, 6837, 7314, 7611, 8142, 9381, 13674, 15222, 18762, 52417, 58351, 71921, 104834, 116702, 134461, 143842, 157251, 175053, 215763, 268922, 314502, 350106, 403383, 431526, 806766, 3092603, 6185206, 9277809, 18555618]

約数ペア:

[(1, 18555618), (2, 9277809), (3, 6185206), (6, 3092603), (23, 806766), (43, 431526), (46, 403383), (53, 350106), (59, 314502), (69, 268922), (86, 215763), (106, 175053), (118, 157251), (129, 143842), (138, 134461), (159, 116702), (177, 104834), (258, 71921), (318, 58351), (354, 52417), (989, 18762), (1219, 15222), (1357, 13674), (1978, 9381), (2279, 8142), (2438, 7611), (2537, 7314), (2714, 6837), (2967, 6254), (3127, 5934), (3657, 5074), (4071, 4558)]