18174520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{4993}}^1$

素因数の和:5024

約数の個数: 64

約数和(自身を含む): 50339520

約数和(自身を除く): 32165000

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 4993, 9986, 19972, 24965, 34951, 39944, 49930, 64909, 69902, 99860, 129818, 139804, 174755, 199720, 259636, 279608, 324545, 349510, 454363, 519272, 649090, 699020, 908726, 1298180, 1398040, 1817452, 2271815, 2596360, 3634904, 4543630, 9087260, 18174520]

約数ペア:

[(1, 18174520), (2, 9087260), (4, 4543630), (5, 3634904), (7, 2596360), (8, 2271815), (10, 1817452), (13, 1398040), (14, 1298180), (20, 908726), (26, 699020), (28, 649090), (35, 519272), (40, 454363), (52, 349510), (56, 324545), (65, 279608), (70, 259636), (91, 199720), (104, 174755), (130, 139804), (140, 129818), (182, 99860), (260, 69902), (280, 64909), (364, 49930), (455, 39944), (520, 34951), (728, 24965), (910, 19972), (1820, 9986), (3640, 4993)]