19644930

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:405

約数の個数: 80

約数和(自身を含む): 53665920

約数和(自身を除く): 34020990

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 81, 90, 135, 158, 162, 237, 270, 307, 395, 405, 474, 614, 711, 790, 810, 921, 1185, 1422, 1535, 1842, 2133, 2370, 2763, 3070, 3555, 4266, 4605, 5526, 6399, 7110, 8289, 9210, 10665, 12798, 13815, 16578, 21330, 24253, 24867, 27630, 31995, 41445, 48506, 49734, 63990, 72759, 82890, 121265, 124335, 145518, 218277, 242530, 248670, 363795, 436554, 654831, 727590, 1091385, 1309662, 1964493, 2182770, 3274155, 3928986, 6548310, 9822465, 19644930]

約数ペア:

[(1, 19644930), (2, 9822465), (3, 6548310), (5, 3928986), (6, 3274155), (9, 2182770), (10, 1964493), (15, 1309662), (18, 1091385), (27, 727590), (30, 654831), (45, 436554), (54, 363795), (79, 248670), (81, 242530), (90, 218277), (135, 145518), (158, 124335), (162, 121265), (237, 82890), (270, 72759), (307, 63990), (395, 49734), (405, 48506), (474, 41445), (614, 31995), (711, 27630), (790, 24867), (810, 24253), (921, 21330), (1185, 16578), (1422, 13815), (1535, 12798), (1842, 10665), (2133, 9210), (2370, 8289), (2763, 7110), (3070, 6399), (3555, 5526), (4266, 4605)]