18645340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{1373}}^1$

素因数の和:1486

約数の個数: 48

約数和(自身を含む): 45243072

約数和(自身を除く): 26597732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 97, 140, 194, 388, 485, 679, 970, 1358, 1373, 1940, 2716, 2746, 3395, 5492, 6790, 6865, 9611, 13580, 13730, 19222, 27460, 38444, 48055, 96110, 133181, 192220, 266362, 532724, 665905, 932267, 1331810, 1864534, 2663620, 3729068, 4661335, 9322670, 18645340]

約数ペア:

[(1, 18645340), (2, 9322670), (4, 4661335), (5, 3729068), (7, 2663620), (10, 1864534), (14, 1331810), (20, 932267), (28, 665905), (35, 532724), (70, 266362), (97, 192220), (140, 133181), (194, 96110), (388, 48055), (485, 38444), (679, 27460), (970, 19222), (1358, 13730), (1373, 13580), (1940, 9611), (2716, 6865), (2746, 6790), (3395, 5492)]