19630120

素因数分解:

$2^3\times 5^1\times {\mathrm{359}}^1\times {\mathrm{1367}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 44323200

約数和(自身を除く): 24693080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 359, 718, 1367, 1436, 1795, 2734, 2872, 3590, 5468, 6835, 7180, 10936, 13670, 14360, 27340, 54680, 490753, 981506, 1963012, 2453765, 3926024, 4907530, 9815060, 19630120]

約数ペア:

[(1, 19630120), (2, 9815060), (4, 4907530), (5, 3926024), (8, 2453765), (10, 1963012), (20, 981506), (40, 490753), (359, 54680), (718, 27340), (1367, 14360), (1436, 13670), (1795, 10936), (2734, 7180), (2872, 6835), (3590, 5468)]