19514704

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{110879}}^1$

素因数の和:110898

約数の個数: 20

約数和(自身を含む): 41247360

約数和(自身を除く): 21732656

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 110879, 221758, 443516, 887032, 1219669, 1774064, 2439338, 4878676, 9757352, 19514704]

約数ペア:

[(1, 19514704), (2, 9757352), (4, 4878676), (8, 2439338), (11, 1774064), (16, 1219669), (22, 887032), (44, 443516), (88, 221758), (176, 110879)]