31880214

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 72

約数和(自身を含む): 75904920

約数和(自身を除く): 44024706

約数列:

[1, 2, 3, 6, 9, 18, 19, 31, 38, 57, 62, 93, 97, 114, 171, 186, 194, 279, 291, 342, 558, 582, 589, 873, 961, 1178, 1746, 1767, 1843, 1922, 2883, 3007, 3534, 3686, 5301, 5529, 5766, 6014, 8649, 9021, 10602, 11058, 16587, 17298, 18042, 18259, 27063, 33174, 36518, 54126, 54777, 57133, 93217, 109554, 114266, 164331, 171399, 186434, 279651, 328662, 342798, 514197, 559302, 838953, 1028394, 1677906, 1771123, 3542246, 5313369, 10626738, 15940107, 31880214]

約数ペア:

[(1, 31880214), (2, 15940107), (3, 10626738), (6, 5313369), (9, 3542246), (18, 1771123), (19, 1677906), (31, 1028394), (38, 838953), (57, 559302), (62, 514197), (93, 342798), (97, 328662), (114, 279651), (171, 186434), (186, 171399), (194, 164331), (279, 114266), (291, 109554), (342, 93217), (558, 57133), (582, 54777), (589, 54126), (873, 36518), (961, 33174), (1178, 27063), (1746, 18259), (1767, 18042), (1843, 17298), (1922, 16587), (2883, 11058), (3007, 10602), (3534, 9021), (3686, 8649), (5301, 6014), (5529, 5766)]