18996965673

素因数分解:

$3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{161741}}^1$

素因数の和:161822

約数の個数: 48

約数和(自身を含む): 31861880064

約数和(自身を除く): 12864914391

約数列:

[1, 3, 7, 17, 21, 47, 49, 51, 119, 141, 147, 329, 357, 799, 833, 987, 2303, 2397, 2499, 5593, 6909, 16779, 39151, 117453, 161741, 485223, 1132187, 2749597, 3396561, 7601827, 7925309, 8248791, 19247179, 22805481, 23775927, 53212789, 57741537, 129231059, 134730253, 159638367, 372489523, 387693177, 404190759, 904617413, 1117468569, 2713852239, 6332321891, 18996965673]

約数ペア:

[(1, 18996965673), (3, 6332321891), (7, 2713852239), (17, 1117468569), (21, 904617413), (47, 404190759), (49, 387693177), (51, 372489523), (119, 159638367), (141, 134730253), (147, 129231059), (329, 57741537), (357, 53212789), (799, 23775927), (833, 22805481), (987, 19247179), (2303, 8248791), (2397, 7925309), (2499, 7601827), (5593, 3396561), (6909, 2749597), (16779, 1132187), (39151, 485223), (117453, 161741)]