18804120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{349}}^1\times {\mathrm{449}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 56700000

約数和(自身を除く): 37895880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 349, 449, 698, 898, 1047, 1347, 1396, 1745, 1796, 2094, 2245, 2694, 2792, 3490, 3592, 4188, 4490, 5235, 5388, 6735, 6980, 8376, 8980, 10470, 10776, 13470, 13960, 17960, 20940, 26940, 41880, 53880, 156701, 313402, 470103, 626804, 783505, 940206, 1253608, 1567010, 1880412, 2350515, 3134020, 3760824, 4701030, 6268040, 9402060, 18804120]

約数ペア:

[(1, 18804120), (2, 9402060), (3, 6268040), (4, 4701030), (5, 3760824), (6, 3134020), (8, 2350515), (10, 1880412), (12, 1567010), (15, 1253608), (20, 940206), (24, 783505), (30, 626804), (40, 470103), (60, 313402), (120, 156701), (349, 53880), (449, 41880), (698, 26940), (898, 20940), (1047, 17960), (1347, 13960), (1396, 13470), (1745, 10776), (1796, 10470), (2094, 8980), (2245, 8376), (2694, 6980), (2792, 6735), (3490, 5388), (3592, 5235), (4188, 4490)]