19813810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{311}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 37469952

約数和(自身を除く): 17656142

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 277, 311, 554, 622, 1385, 1555, 2770, 3110, 6371, 7153, 12742, 14306, 31855, 35765, 63710, 71530, 86147, 172294, 430735, 861470, 1981381, 3962762, 9906905, 19813810]

約数ペア:

[(1, 19813810), (2, 9906905), (5, 3962762), (10, 1981381), (23, 861470), (46, 430735), (115, 172294), (230, 86147), (277, 71530), (311, 63710), (554, 35765), (622, 31855), (1385, 14306), (1555, 12742), (2770, 7153), (3110, 6371)]