19817904

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{619}}^1$

素因数の和:682

約数の個数: 80

約数和(自身を含む): 55353600

約数和(自身を除く): 35535696

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 29, 46, 48, 58, 69, 87, 92, 116, 138, 174, 184, 232, 276, 348, 368, 464, 552, 619, 667, 696, 1104, 1238, 1334, 1392, 1857, 2001, 2476, 2668, 3714, 4002, 4952, 5336, 7428, 8004, 9904, 10672, 14237, 14856, 16008, 17951, 28474, 29712, 32016, 35902, 42711, 53853, 56948, 71804, 85422, 107706, 113896, 143608, 170844, 215412, 227792, 287216, 341688, 412873, 430824, 683376, 825746, 861648, 1238619, 1651492, 2477238, 3302984, 4954476, 6605968, 9908952, 19817904]

約数ペア:

[(1, 19817904), (2, 9908952), (3, 6605968), (4, 4954476), (6, 3302984), (8, 2477238), (12, 1651492), (16, 1238619), (23, 861648), (24, 825746), (29, 683376), (46, 430824), (48, 412873), (58, 341688), (69, 287216), (87, 227792), (92, 215412), (116, 170844), (138, 143608), (174, 113896), (184, 107706), (232, 85422), (276, 71804), (348, 56948), (368, 53853), (464, 42711), (552, 35902), (619, 32016), (667, 29712), (696, 28474), (1104, 17951), (1238, 16008), (1334, 14856), (1392, 14237), (1857, 10672), (2001, 9904), (2476, 8004), (2668, 7428), (3714, 5336), (4002, 4952)]