19071440

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{12547}}^1$

素因数の和:12579

約数の個数: 40

約数和(自身を含む): 46678560

約数和(自身を除く): 27607120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 12547, 25094, 50188, 62735, 100376, 125470, 200752, 238393, 250940, 476786, 501880, 953572, 1003760, 1191965, 1907144, 2383930, 3814288, 4767860, 9535720, 19071440]

約数ペア:

[(1, 19071440), (2, 9535720), (4, 4767860), (5, 3814288), (8, 2383930), (10, 1907144), (16, 1191965), (19, 1003760), (20, 953572), (38, 501880), (40, 476786), (76, 250940), (80, 238393), (95, 200752), (152, 125470), (190, 100376), (304, 62735), (380, 50188), (760, 25094), (1520, 12547)]