18431880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{571}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 55598400

約数和(自身を除く): 37166520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 269, 538, 571, 807, 1076, 1142, 1345, 1614, 1713, 2152, 2284, 2690, 2855, 3228, 3426, 4035, 4568, 5380, 5710, 6456, 6852, 8070, 8565, 10760, 11420, 13704, 16140, 17130, 22840, 32280, 34260, 68520, 153599, 307198, 460797, 614396, 767995, 921594, 1228792, 1535990, 1843188, 2303985, 3071980, 3686376, 4607970, 6143960, 9215940, 18431880]

約数ペア:

[(1, 18431880), (2, 9215940), (3, 6143960), (4, 4607970), (5, 3686376), (6, 3071980), (8, 2303985), (10, 1843188), (12, 1535990), (15, 1228792), (20, 921594), (24, 767995), (30, 614396), (40, 460797), (60, 307198), (120, 153599), (269, 68520), (538, 34260), (571, 32280), (807, 22840), (1076, 17130), (1142, 16140), (1345, 13704), (1614, 11420), (1713, 10760), (2152, 8565), (2284, 8070), (2690, 6852), (2855, 6456), (3228, 5710), (3426, 5380), (4035, 4568)]