18101970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1447}}^1$

素因数の和:1599

約数の個数: 48

約数和(自身を含む): 47436480

約数和(自身を除く): 29334510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 1447, 2085, 2502, 2894, 4170, 4341, 6255, 7235, 8682, 12510, 13023, 14470, 21705, 26046, 43410, 65115, 130230, 201133, 402266, 603399, 1005665, 1206798, 1810197, 2011330, 3016995, 3620394, 6033990, 9050985, 18101970]

約数ペア:

[(1, 18101970), (2, 9050985), (3, 6033990), (5, 3620394), (6, 3016995), (9, 2011330), (10, 1810197), (15, 1206798), (18, 1005665), (30, 603399), (45, 402266), (90, 201133), (139, 130230), (278, 65115), (417, 43410), (695, 26046), (834, 21705), (1251, 14470), (1390, 13023), (1447, 12510), (2085, 8682), (2502, 7235), (2894, 6255), (4170, 4341)]