17953980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2473}}^1$

素因数の和:2507

約数の個数: 72

約数和(自身を含む): 55279056

約数和(自身を除く): 37325076

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2473, 3630, 4946, 7260, 7419, 9892, 12365, 14838, 24730, 27203, 29676, 37095, 49460, 54406, 74190, 81609, 108812, 136015, 148380, 163218, 272030, 299233, 326436, 408045, 544060, 598466, 816090, 897699, 1196932, 1496165, 1632180, 1795398, 2992330, 3590796, 4488495, 5984660, 8976990, 17953980]

約数ペア:

[(1, 17953980), (2, 8976990), (3, 5984660), (4, 4488495), (5, 3590796), (6, 2992330), (10, 1795398), (11, 1632180), (12, 1496165), (15, 1196932), (20, 897699), (22, 816090), (30, 598466), (33, 544060), (44, 408045), (55, 326436), (60, 299233), (66, 272030), (110, 163218), (121, 148380), (132, 136015), (165, 108812), (220, 81609), (242, 74190), (330, 54406), (363, 49460), (484, 37095), (605, 29676), (660, 27203), (726, 24730), (1210, 14838), (1452, 12365), (1815, 9892), (2420, 7419), (2473, 7260), (3630, 4946)]