18885688020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5522131}}^1$

素因数の和:5522165

約数の個数: 72

約数和(自身を含む): 60301681440

約数和(自身を除く): 41415993420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 5522131, 11044262, 16566393, 22088524, 27610655, 33132786, 49699179, 55221310, 66265572, 82831965, 99398358, 104920489, 110442620, 165663930, 198796716, 209840978, 248495895, 314761467, 331327860, 419681956, 496991790, 524602445, 629522934, 944284401, 993983580, 1049204890, 1259045868, 1573807335, 1888568802, 2098409780, 3147614670, 3777137604, 4721422005, 6295229340, 9442844010, 18885688020]

約数ペア:

[(1, 18885688020), (2, 9442844010), (3, 6295229340), (4, 4721422005), (5, 3777137604), (6, 3147614670), (9, 2098409780), (10, 1888568802), (12, 1573807335), (15, 1259045868), (18, 1049204890), (19, 993983580), (20, 944284401), (30, 629522934), (36, 524602445), (38, 496991790), (45, 419681956), (57, 331327860), (60, 314761467), (76, 248495895), (90, 209840978), (95, 198796716), (114, 165663930), (171, 110442620), (180, 104920489), (190, 99398358), (228, 82831965), (285, 66265572), (342, 55221310), (380, 49699179), (570, 33132786), (684, 27610655), (855, 22088524), (1140, 16566393), (1710, 11044262), (3420, 5522131)]