19008720180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2455907}}^1$

素因数の和:2455965

約数の個数: 72

約数和(自身を含む): 59000733792

約数和(自身を除く): 39992013612

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 2455907, 4911814, 7367721, 9823628, 12279535, 14735442, 22103163, 24559070, 29470884, 36838605, 44206326, 49118140, 73677210, 88412652, 105604001, 110515815, 147354420, 211208002, 221031630, 316812003, 422416004, 442063260, 528020005, 633624006, 950436009, 1056040010, 1267248012, 1584060015, 1900872018, 2112080020, 3168120030, 3801744036, 4752180045, 6336240060, 9504360090, 19008720180]

約数ペア:

[(1, 19008720180), (2, 9504360090), (3, 6336240060), (4, 4752180045), (5, 3801744036), (6, 3168120030), (9, 2112080020), (10, 1900872018), (12, 1584060015), (15, 1267248012), (18, 1056040010), (20, 950436009), (30, 633624006), (36, 528020005), (43, 442063260), (45, 422416004), (60, 316812003), (86, 221031630), (90, 211208002), (129, 147354420), (172, 110515815), (180, 105604001), (215, 88412652), (258, 73677210), (387, 49118140), (430, 44206326), (516, 36838605), (645, 29470884), (774, 24559070), (860, 22103163), (1290, 14735442), (1548, 12279535), (1935, 9823628), (2580, 7367721), (3870, 4911814), (7740, 2455907)]