18896904

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1553}}^1$

素因数の和:1591

約数の個数: 72

約数和(自身を含む): 55454490

約数和(自身を除く): 36557586

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 169, 234, 312, 338, 468, 507, 676, 936, 1014, 1352, 1521, 1553, 2028, 3042, 3106, 4056, 4659, 6084, 6212, 9318, 12168, 12424, 13977, 18636, 20189, 27954, 37272, 40378, 55908, 60567, 80756, 111816, 121134, 161512, 181701, 242268, 262457, 363402, 484536, 524914, 726804, 787371, 1049828, 1453608, 1574742, 2099656, 2362113, 3149484, 4724226, 6298968, 9448452, 18896904]

約数ペア:

[(1, 18896904), (2, 9448452), (3, 6298968), (4, 4724226), (6, 3149484), (8, 2362113), (9, 2099656), (12, 1574742), (13, 1453608), (18, 1049828), (24, 787371), (26, 726804), (36, 524914), (39, 484536), (52, 363402), (72, 262457), (78, 242268), (104, 181701), (117, 161512), (156, 121134), (169, 111816), (234, 80756), (312, 60567), (338, 55908), (468, 40378), (507, 37272), (676, 27954), (936, 20189), (1014, 18636), (1352, 13977), (1521, 12424), (1553, 12168), (2028, 9318), (3042, 6212), (3106, 6084), (4056, 4659)]