20199421778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{2321239}}^1$

素因数の和:2321489

約数の個数: 16

約数和(自身を含む): 32033112000

約数和(自身を除く): 11833690222

約数列:

[1, 2, 19, 38, 229, 458, 4351, 8702, 2321239, 4642478, 44103541, 88207082, 531563731, 1063127462, 10099710889, 20199421778]

約数ペア:

[(1, 20199421778), (2, 10099710889), (19, 1063127462), (38, 531563731), (229, 88207082), (458, 44103541), (4351, 4642478), (8702, 2321239)]