18831690

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{347}}^1$

素因数の和:433

約数の個数: 80

約数和(自身を含む): 51540192

約数和(自身を除く): 32708502

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 67, 81, 90, 134, 135, 162, 201, 270, 335, 347, 402, 405, 603, 670, 694, 810, 1005, 1041, 1206, 1735, 1809, 2010, 2082, 3015, 3123, 3470, 3618, 5205, 5427, 6030, 6246, 9045, 9369, 10410, 10854, 15615, 18090, 18738, 23249, 27135, 28107, 31230, 46498, 46845, 54270, 56214, 69747, 93690, 116245, 139494, 140535, 209241, 232490, 281070, 348735, 418482, 627723, 697470, 1046205, 1255446, 1883169, 2092410, 3138615, 3766338, 6277230, 9415845, 18831690]

約数ペア:

[(1, 18831690), (2, 9415845), (3, 6277230), (5, 3766338), (6, 3138615), (9, 2092410), (10, 1883169), (15, 1255446), (18, 1046205), (27, 697470), (30, 627723), (45, 418482), (54, 348735), (67, 281070), (81, 232490), (90, 209241), (134, 140535), (135, 139494), (162, 116245), (201, 93690), (270, 69747), (335, 56214), (347, 54270), (402, 46845), (405, 46498), (603, 31230), (670, 28107), (694, 27135), (810, 23249), (1005, 18738), (1041, 18090), (1206, 15615), (1735, 10854), (1809, 10410), (2010, 9369), (2082, 9045), (3015, 6246), (3123, 6030), (3470, 5427), (3618, 5205)]