18771540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{5903}}^1$

素因数の和:5968

約数の個数: 48

約数和(自身を含む): 53561088

約数和(自身を除く): 34789548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 5903, 11806, 17709, 23612, 29515, 35418, 59030, 70836, 88545, 118060, 177090, 312859, 354180, 625718, 938577, 1251436, 1564295, 1877154, 3128590, 3754308, 4692885, 6257180, 9385770, 18771540]

約数ペア:

[(1, 18771540), (2, 9385770), (3, 6257180), (4, 4692885), (5, 3754308), (6, 3128590), (10, 1877154), (12, 1564295), (15, 1251436), (20, 938577), (30, 625718), (53, 354180), (60, 312859), (106, 177090), (159, 118060), (212, 88545), (265, 70836), (318, 59030), (530, 35418), (636, 29515), (795, 23612), (1060, 17709), (1590, 11806), (3180, 5903)]