18492660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1447}}^1$

素因数の和:1533

約数の個数: 72

約数和(自身を含む): 56923776

約数和(自身を除く): 38431116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 1447, 2130, 2556, 2894, 3195, 4260, 4341, 5788, 6390, 7235, 8682, 12780, 13023, 14470, 17364, 21705, 26046, 28940, 43410, 52092, 65115, 86820, 102737, 130230, 205474, 260460, 308211, 410948, 513685, 616422, 924633, 1027370, 1232844, 1541055, 1849266, 2054740, 3082110, 3698532, 4623165, 6164220, 9246330, 18492660]

約数ペア:

[(1, 18492660), (2, 9246330), (3, 6164220), (4, 4623165), (5, 3698532), (6, 3082110), (9, 2054740), (10, 1849266), (12, 1541055), (15, 1232844), (18, 1027370), (20, 924633), (30, 616422), (36, 513685), (45, 410948), (60, 308211), (71, 260460), (90, 205474), (142, 130230), (180, 102737), (213, 86820), (284, 65115), (355, 52092), (426, 43410), (639, 28940), (710, 26046), (852, 21705), (1065, 17364), (1278, 14470), (1420, 13023), (1447, 12780), (2130, 8682), (2556, 7235), (2894, 6390), (3195, 5788), (4260, 4341)]