19212808

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{77471}}^1$

素因数の和:77508

約数の個数: 16

約数和(自身を含む): 37186560

約数和(自身を除く): 17973752

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 77471, 154942, 309884, 619768, 2401601, 4803202, 9606404, 19212808]

約数ペア:

[(1, 19212808), (2, 9606404), (4, 4803202), (8, 2401601), (31, 619768), (62, 309884), (124, 154942), (248, 77471)]