18718734

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 42301440

約数和(自身を除く): 23582706

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 79, 101, 102, 138, 158, 202, 237, 303, 391, 474, 606, 782, 1173, 1343, 1717, 1817, 2323, 2346, 2686, 3434, 3634, 4029, 4646, 5151, 5451, 6969, 7979, 8058, 10302, 10902, 13938, 15958, 23937, 30889, 39491, 47874, 61778, 78982, 92667, 118473, 135643, 183517, 185334, 236946, 271286, 367034, 406929, 550551, 813858, 1101102, 3119789, 6239578, 9359367, 18718734]

約数ペア:

[(1, 18718734), (2, 9359367), (3, 6239578), (6, 3119789), (17, 1101102), (23, 813858), (34, 550551), (46, 406929), (51, 367034), (69, 271286), (79, 236946), (101, 185334), (102, 183517), (138, 135643), (158, 118473), (202, 92667), (237, 78982), (303, 61778), (391, 47874), (474, 39491), (606, 30889), (782, 23937), (1173, 15958), (1343, 13938), (1717, 10902), (1817, 10302), (2323, 8058), (2346, 7979), (2686, 6969), (3434, 5451), (3634, 5151), (4029, 4646)]