19994618164

素因数分解:

$2^2\times {\mathrm{991}}^1\times {\mathrm{1181}}^1\times {\mathrm{4271}}^1$

素因数の和:6447

約数の個数: 24

約数和(自身を含む): 35063755776

約数和(自身を除く): 15069137612

約数列:

[1, 2, 4, 991, 1181, 1982, 2362, 3964, 4271, 4724, 8542, 17084, 1170371, 2340742, 4232561, 4681484, 5044051, 8465122, 10088102, 16930244, 20176204, 4998654541, 9997309082, 19994618164]

約数ペア:

[(1, 19994618164), (2, 9997309082), (4, 4998654541), (991, 20176204), (1181, 16930244), (1982, 10088102), (2362, 8465122), (3964, 5044051), (4271, 4681484), (4724, 4232561), (8542, 2340742), (17084, 1170371)]