19923664

素因数分解:

$2^4\times {\mathrm{101}}^1\times {\mathrm{12329}}^1$

素因数の和:12438

約数の個数: 20

約数和(自身を含む): 38987460

約数和(自身を除く): 19063796

約数列:

[1, 2, 4, 8, 16, 101, 202, 404, 808, 1616, 12329, 24658, 49316, 98632, 197264, 1245229, 2490458, 4980916, 9961832, 19923664]

約数ペア:

[(1, 19923664), (2, 9961832), (4, 4980916), (8, 2490458), (16, 1245229), (101, 197264), (202, 98632), (404, 49316), (808, 24658), (1616, 12329)]