18861408

素因数分解:

$2^5\times 3^2\times {\mathrm{79}}^1\times {\mathrm{829}}^1$

素因数の和:924

約数の個数: 72

約数和(自身を含む): 54381600

約数和(自身を除く): 35520192

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 79, 96, 144, 158, 237, 288, 316, 474, 632, 711, 829, 948, 1264, 1422, 1658, 1896, 2487, 2528, 2844, 3316, 3792, 4974, 5688, 6632, 7461, 7584, 9948, 11376, 13264, 14922, 19896, 22752, 26528, 29844, 39792, 59688, 65491, 79584, 119376, 130982, 196473, 238752, 261964, 392946, 523928, 589419, 785892, 1047856, 1178838, 1571784, 2095712, 2357676, 3143568, 4715352, 6287136, 9430704, 18861408]

約数ペア:

[(1, 18861408), (2, 9430704), (3, 6287136), (4, 4715352), (6, 3143568), (8, 2357676), (9, 2095712), (12, 1571784), (16, 1178838), (18, 1047856), (24, 785892), (32, 589419), (36, 523928), (48, 392946), (72, 261964), (79, 238752), (96, 196473), (144, 130982), (158, 119376), (237, 79584), (288, 65491), (316, 59688), (474, 39792), (632, 29844), (711, 26528), (829, 22752), (948, 19896), (1264, 14922), (1422, 13264), (1658, 11376), (1896, 9948), (2487, 7584), (2528, 7461), (2844, 6632), (3316, 5688), (3792, 4974)]