18512838

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:589

約数の個数: 48

約数和(自身を含む): 42378336

約数和(自身を除く): 23865498

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 97, 138, 194, 207, 291, 414, 461, 582, 873, 922, 1383, 1746, 2231, 2766, 4149, 4462, 6693, 8298, 10603, 13386, 20079, 21206, 31809, 40158, 44717, 63618, 89434, 95427, 134151, 190854, 268302, 402453, 804906, 1028491, 2056982, 3085473, 6170946, 9256419, 18512838]

約数ペア:

[(1, 18512838), (2, 9256419), (3, 6170946), (6, 3085473), (9, 2056982), (18, 1028491), (23, 804906), (46, 402453), (69, 268302), (97, 190854), (138, 134151), (194, 95427), (207, 89434), (291, 63618), (414, 44717), (461, 40158), (582, 31809), (873, 21206), (922, 20079), (1383, 13386), (1746, 10603), (2231, 8298), (2766, 6693), (4149, 4462)]