2018378010920

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{3709}}^1\times {\mathrm{56923}}^1$

素因数の和:60882

約数の個数: 64

約数和(自身を含む): 4561661664000

約数和(自身を除く): 2543283653080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 3709, 4780, 7418, 9560, 14836, 18545, 29672, 37090, 56923, 74180, 113846, 148360, 227692, 284615, 455384, 569230, 886451, 1138460, 1772902, 2276920, 3545804, 4432255, 7091608, 8864510, 13604597, 17729020, 27209194, 35458040, 54418388, 68022985, 108836776, 136045970, 211127407, 272091940, 422254814, 544183880, 844509628, 1055637035, 1689019256, 2111274070, 4222548140, 8445096280, 50459450273, 100918900546, 201837801092, 252297251365, 403675602184, 504594502730, 1009189005460, 2018378010920]

約数ペア:

[(1, 2018378010920), (2, 1009189005460), (4, 504594502730), (5, 403675602184), (8, 252297251365), (10, 201837801092), (20, 100918900546), (40, 50459450273), (239, 8445096280), (478, 4222548140), (956, 2111274070), (1195, 1689019256), (1912, 1055637035), (2390, 844509628), (3709, 544183880), (4780, 422254814), (7418, 272091940), (9560, 211127407), (14836, 136045970), (18545, 108836776), (29672, 68022985), (37090, 54418388), (56923, 35458040), (74180, 27209194), (113846, 17729020), (148360, 13604597), (227692, 8864510), (284615, 7091608), (455384, 4432255), (569230, 3545804), (886451, 2276920), (1138460, 1772902)]