18912120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{359}}^1\times {\mathrm{439}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 38111880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 359, 439, 718, 878, 1077, 1317, 1436, 1756, 1795, 2154, 2195, 2634, 2872, 3512, 3590, 4308, 4390, 5268, 5385, 6585, 7180, 8616, 8780, 10536, 10770, 13170, 14360, 17560, 21540, 26340, 43080, 52680, 157601, 315202, 472803, 630404, 788005, 945606, 1260808, 1576010, 1891212, 2364015, 3152020, 3782424, 4728030, 6304040, 9456060, 18912120]

約数ペア:

[(1, 18912120), (2, 9456060), (3, 6304040), (4, 4728030), (5, 3782424), (6, 3152020), (8, 2364015), (10, 1891212), (12, 1576010), (15, 1260808), (20, 945606), (24, 788005), (30, 630404), (40, 472803), (60, 315202), (120, 157601), (359, 52680), (439, 43080), (718, 26340), (878, 21540), (1077, 17560), (1317, 14360), (1436, 13170), (1756, 10770), (1795, 10536), (2154, 8780), (2195, 8616), (2634, 7180), (2872, 6585), (3512, 5385), (3590, 5268), (4308, 4390)]