18041340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1511}}^1$

素因数の和:1722

約数の個数: 48

約数和(自身を含む): 50803200

約数和(自身を除く): 32761860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 199, 398, 597, 796, 995, 1194, 1511, 1990, 2388, 2985, 3022, 3980, 4533, 5970, 6044, 7555, 9066, 11940, 15110, 18132, 22665, 30220, 45330, 90660, 300689, 601378, 902067, 1202756, 1503445, 1804134, 3006890, 3608268, 4510335, 6013780, 9020670, 18041340]

約数ペア:

[(1, 18041340), (2, 9020670), (3, 6013780), (4, 4510335), (5, 3608268), (6, 3006890), (10, 1804134), (12, 1503445), (15, 1202756), (20, 902067), (30, 601378), (60, 300689), (199, 90660), (398, 45330), (597, 30220), (796, 22665), (995, 18132), (1194, 15110), (1511, 11940), (1990, 9066), (2388, 7555), (2985, 6044), (3022, 5970), (3980, 4533)]