18194675580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{311}}^1\times {\mathrm{325021}}^1$

素因数の和:325347

約数の個数: 72

約数和(自身を含む): 55368147744

約数和(自身を除く): 37173472164

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 311, 622, 933, 1244, 1555, 1866, 2799, 3110, 3732, 4665, 5598, 6220, 9330, 11196, 13995, 18660, 27990, 55980, 325021, 650042, 975063, 1300084, 1625105, 1950126, 2925189, 3250210, 3900252, 4875315, 5850378, 6500420, 9750630, 11700756, 14625945, 19501260, 29251890, 58503780, 101081531, 202163062, 303244593, 404326124, 505407655, 606489186, 909733779, 1010815310, 1212978372, 1516222965, 1819467558, 2021630620, 3032445930, 3638935116, 4548668895, 6064891860, 9097337790, 18194675580]

約数ペア:

[(1, 18194675580), (2, 9097337790), (3, 6064891860), (4, 4548668895), (5, 3638935116), (6, 3032445930), (9, 2021630620), (10, 1819467558), (12, 1516222965), (15, 1212978372), (18, 1010815310), (20, 909733779), (30, 606489186), (36, 505407655), (45, 404326124), (60, 303244593), (90, 202163062), (180, 101081531), (311, 58503780), (622, 29251890), (933, 19501260), (1244, 14625945), (1555, 11700756), (1866, 9750630), (2799, 6500420), (3110, 5850378), (3732, 4875315), (4665, 3900252), (5598, 3250210), (6220, 2925189), (9330, 1950126), (11196, 1625105), (13995, 1300084), (18660, 975063), (27990, 650042), (55980, 325021)]