18087012

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{853}}^1$

素因数の和:913

約数の個数: 72

約数和(自身を含む): 49736960

約数和(自身を除く): 31649948

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 342, 372, 558, 589, 684, 853, 1116, 1178, 1706, 1767, 2356, 2559, 3412, 3534, 5118, 5301, 7068, 7677, 10236, 10602, 15354, 16207, 21204, 26443, 30708, 32414, 48621, 52886, 64828, 79329, 97242, 105772, 145863, 158658, 194484, 237987, 291726, 317316, 475974, 502417, 583452, 951948, 1004834, 1507251, 2009668, 3014502, 4521753, 6029004, 9043506, 18087012]

約数ペア:

[(1, 18087012), (2, 9043506), (3, 6029004), (4, 4521753), (6, 3014502), (9, 2009668), (12, 1507251), (18, 1004834), (19, 951948), (31, 583452), (36, 502417), (38, 475974), (57, 317316), (62, 291726), (76, 237987), (93, 194484), (114, 158658), (124, 145863), (171, 105772), (186, 97242), (228, 79329), (279, 64828), (342, 52886), (372, 48621), (558, 32414), (589, 30708), (684, 26443), (853, 21204), (1116, 16207), (1178, 15354), (1706, 10602), (1767, 10236), (2356, 7677), (2559, 7068), (3412, 5301), (3534, 5118)]