19554700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{613}}^1$

素因数の和:667

約数の個数: 72

約数和(自身を含む): 47965680

約数和(自身を除く): 28410980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 29, 44, 50, 55, 58, 100, 110, 116, 145, 220, 275, 290, 319, 550, 580, 613, 638, 725, 1100, 1226, 1276, 1450, 1595, 2452, 2900, 3065, 3190, 6130, 6380, 6743, 7975, 12260, 13486, 15325, 15950, 17777, 26972, 30650, 31900, 33715, 35554, 61300, 67430, 71108, 88885, 134860, 168575, 177770, 195547, 337150, 355540, 391094, 444425, 674300, 782188, 888850, 977735, 1777700, 1955470, 3910940, 4888675, 9777350, 19554700]

約数ペア:

[(1, 19554700), (2, 9777350), (4, 4888675), (5, 3910940), (10, 1955470), (11, 1777700), (20, 977735), (22, 888850), (25, 782188), (29, 674300), (44, 444425), (50, 391094), (55, 355540), (58, 337150), (100, 195547), (110, 177770), (116, 168575), (145, 134860), (220, 88885), (275, 71108), (290, 67430), (319, 61300), (550, 35554), (580, 33715), (613, 31900), (638, 30650), (725, 26972), (1100, 17777), (1226, 15950), (1276, 15325), (1450, 13486), (1595, 12260), (2452, 7975), (2900, 6743), (3065, 6380), (3190, 6130)]