18373140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{991}}^1$

素因数の和:1109

約数の個数: 72

約数和(自身を含む): 56329728

約数和(自身を除く): 37956588

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 991, 1030, 1236, 1545, 1854, 1982, 2060, 2973, 3090, 3708, 3964, 4635, 4955, 5946, 6180, 8919, 9270, 9910, 11892, 14865, 17838, 18540, 19820, 29730, 35676, 44595, 59460, 89190, 102073, 178380, 204146, 306219, 408292, 510365, 612438, 918657, 1020730, 1224876, 1531095, 1837314, 2041460, 3062190, 3674628, 4593285, 6124380, 9186570, 18373140]

約数ペア:

[(1, 18373140), (2, 9186570), (3, 6124380), (4, 4593285), (5, 3674628), (6, 3062190), (9, 2041460), (10, 1837314), (12, 1531095), (15, 1224876), (18, 1020730), (20, 918657), (30, 612438), (36, 510365), (45, 408292), (60, 306219), (90, 204146), (103, 178380), (180, 102073), (206, 89190), (309, 59460), (412, 44595), (515, 35676), (618, 29730), (927, 19820), (991, 18540), (1030, 17838), (1236, 14865), (1545, 11892), (1854, 9910), (1982, 9270), (2060, 8919), (2973, 6180), (3090, 5946), (3708, 4955), (3964, 4635)]