18139860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{563}}^1$

素因数の和:757

約数の個数: 72

約数和(自身を含む): 55429920

約数和(自身を除く): 37290060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 563, 716, 895, 1074, 1126, 1611, 1689, 1790, 2148, 2252, 2685, 2815, 3222, 3378, 3580, 5067, 5370, 5630, 6444, 6756, 8055, 8445, 10134, 10740, 11260, 16110, 16890, 20268, 25335, 32220, 33780, 50670, 100777, 101340, 201554, 302331, 403108, 503885, 604662, 906993, 1007770, 1209324, 1511655, 1813986, 2015540, 3023310, 3627972, 4534965, 6046620, 9069930, 18139860]

約数ペア:

[(1, 18139860), (2, 9069930), (3, 6046620), (4, 4534965), (5, 3627972), (6, 3023310), (9, 2015540), (10, 1813986), (12, 1511655), (15, 1209324), (18, 1007770), (20, 906993), (30, 604662), (36, 503885), (45, 403108), (60, 302331), (90, 201554), (179, 101340), (180, 100777), (358, 50670), (537, 33780), (563, 32220), (716, 25335), (895, 20268), (1074, 16890), (1126, 16110), (1611, 11260), (1689, 10740), (1790, 10134), (2148, 8445), (2252, 8055), (2685, 6756), (2815, 6444), (3222, 5630), (3378, 5370), (3580, 5067)]