19004940225

素因数分解:

$3^3\times 5^2\times {\mathrm{101}}^1\times {\mathrm{278767}}^1$

素因数の和:278887

約数の個数: 48

約数和(自身を含む): 35258576640

約数和(自身を除く): 16253636415

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 101, 135, 225, 303, 505, 675, 909, 1515, 2525, 2727, 4545, 7575, 13635, 22725, 68175, 278767, 836301, 1393835, 2508903, 4181505, 6969175, 7526709, 12544515, 20907525, 28155467, 37633545, 62722575, 84466401, 140777335, 188167725, 253399203, 422332005, 703886675, 760197609, 1266996015, 2111660025, 3800988045, 6334980075, 19004940225]

約数ペア:

[(1, 19004940225), (3, 6334980075), (5, 3800988045), (9, 2111660025), (15, 1266996015), (25, 760197609), (27, 703886675), (45, 422332005), (75, 253399203), (101, 188167725), (135, 140777335), (225, 84466401), (303, 62722575), (505, 37633545), (675, 28155467), (909, 20907525), (1515, 12544515), (2525, 7526709), (2727, 6969175), (4545, 4181505), (7575, 2508903), (13635, 1393835), (22725, 836301), (68175, 278767)]