19912318330

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{15200243}}^1$

素因数の和:15200381

約数の個数: 16

約数和(自身を含む): 36115779744

約数和(自身を除く): 16203461414

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 15200243, 30400486, 76001215, 152002430, 1991231833, 3982463666, 9956159165, 19912318330]

約数ペア:

[(1, 19912318330), (2, 9956159165), (5, 3982463666), (10, 1991231833), (131, 152002430), (262, 76001215), (655, 30400486), (1310, 15200243)]