19702078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{30881}}^1$

素因数の和:30923

約数の個数: 16

約数和(自身を含む): 33352560

約数和(自身を除く): 13650482

約数列:

[1, 2, 11, 22, 29, 58, 319, 638, 30881, 61762, 339691, 679382, 895549, 1791098, 9851039, 19702078]

約数ペア:

[(1, 19702078), (2, 9851039), (11, 1791098), (22, 895549), (29, 679382), (58, 339691), (319, 61762), (638, 30881)]