19903248

素因数分解:

$2^4\times 3^2\times {\mathrm{89}}^1\times {\mathrm{1553}}^1$

素因数の和:1656

約数の個数: 60

約数和(自身を含む): 56363580

約数和(自身を除く): 36460332

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 89, 144, 178, 267, 356, 534, 712, 801, 1068, 1424, 1553, 1602, 2136, 3106, 3204, 4272, 4659, 6212, 6408, 9318, 12424, 12816, 13977, 18636, 24848, 27954, 37272, 55908, 74544, 111816, 138217, 223632, 276434, 414651, 552868, 829302, 1105736, 1243953, 1658604, 2211472, 2487906, 3317208, 4975812, 6634416, 9951624, 19903248]

約数ペア:

[(1, 19903248), (2, 9951624), (3, 6634416), (4, 4975812), (6, 3317208), (8, 2487906), (9, 2211472), (12, 1658604), (16, 1243953), (18, 1105736), (24, 829302), (36, 552868), (48, 414651), (72, 276434), (89, 223632), (144, 138217), (178, 111816), (267, 74544), (356, 55908), (534, 37272), (712, 27954), (801, 24848), (1068, 18636), (1424, 13977), (1553, 12816), (1602, 12424), (2136, 9318), (3106, 6408), (3204, 6212), (4272, 4659)]