18979133607

素因数分解:

$3^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1439}}^1\times {\mathrm{7219}}^1$

素因数の和:8700

約数の個数: 48

約数和(自身を含む): 32438016000

約数和(自身を除く): 13458882393

約数列:

[1, 3, 7, 9, 21, 29, 63, 87, 203, 261, 609, 1439, 1827, 4317, 7219, 10073, 12951, 21657, 30219, 41731, 50533, 64971, 90657, 125193, 151599, 209351, 292117, 375579, 454797, 628053, 876351, 1465457, 1884159, 2629053, 4396371, 10388141, 13189113, 31164423, 72716987, 93493269, 218150961, 301256089, 654452883, 903768267, 2108792623, 2711304801, 6326377869, 18979133607]

約数ペア:

[(1, 18979133607), (3, 6326377869), (7, 2711304801), (9, 2108792623), (21, 903768267), (29, 654452883), (63, 301256089), (87, 218150961), (203, 93493269), (261, 72716987), (609, 31164423), (1439, 13189113), (1827, 10388141), (4317, 4396371), (7219, 2629053), (10073, 1884159), (12951, 1465457), (21657, 876351), (30219, 628053), (41731, 454797), (50533, 375579), (64971, 292117), (90657, 209351), (125193, 151599)]