19461126680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{138889}}^1$

素因数の和:139044

約数の個数: 64

約数和(自身を含む): 45600364800

約数和(自身を除く): 26139238120

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 113, 124, 155, 226, 248, 310, 452, 565, 620, 904, 1130, 1240, 2260, 3503, 4520, 7006, 14012, 17515, 28024, 35030, 70060, 138889, 140120, 277778, 555556, 694445, 1111112, 1388890, 2777780, 4305559, 5555560, 8611118, 15694457, 17222236, 21527795, 31388914, 34444472, 43055590, 62777828, 78472285, 86111180, 125555656, 156944570, 172222360, 313889140, 486528167, 627778280, 973056334, 1946112668, 2432640835, 3892225336, 4865281670, 9730563340, 19461126680]

約数ペア:

[(1, 19461126680), (2, 9730563340), (4, 4865281670), (5, 3892225336), (8, 2432640835), (10, 1946112668), (20, 973056334), (31, 627778280), (40, 486528167), (62, 313889140), (113, 172222360), (124, 156944570), (155, 125555656), (226, 86111180), (248, 78472285), (310, 62777828), (452, 43055590), (565, 34444472), (620, 31388914), (904, 21527795), (1130, 17222236), (1240, 15694457), (2260, 8611118), (3503, 5555560), (4520, 4305559), (7006, 2777780), (14012, 1388890), (17515, 1111112), (28024, 694445), (35030, 555556), (70060, 277778), (138889, 140120)]