19644360

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1289}}^1$

素因数の和:1430

約数の個数: 64

約数和(自身を含む): 59443200

約数和(自身を除く): 39798840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 127, 254, 381, 508, 635, 762, 1016, 1270, 1289, 1524, 1905, 2540, 2578, 3048, 3810, 3867, 5080, 5156, 6445, 7620, 7734, 10312, 12890, 15240, 15468, 19335, 25780, 30936, 38670, 51560, 77340, 154680, 163703, 327406, 491109, 654812, 818515, 982218, 1309624, 1637030, 1964436, 2455545, 3274060, 3928872, 4911090, 6548120, 9822180, 19644360]

約数ペア:

[(1, 19644360), (2, 9822180), (3, 6548120), (4, 4911090), (5, 3928872), (6, 3274060), (8, 2455545), (10, 1964436), (12, 1637030), (15, 1309624), (20, 982218), (24, 818515), (30, 654812), (40, 491109), (60, 327406), (120, 163703), (127, 154680), (254, 77340), (381, 51560), (508, 38670), (635, 30936), (762, 25780), (1016, 19335), (1270, 15468), (1289, 15240), (1524, 12890), (1905, 10312), (2540, 7734), (2578, 7620), (3048, 6445), (3810, 5156), (3867, 5080)]