19519887476

素因数分解:

$2^2\times {\mathrm{251}}^1\times {\mathrm{2789}}^1\times {\mathrm{6971}}^1$

素因数の和:10015

約数の個数: 24

約数和(自身を含む): 34313116320

約数和(自身を除く): 14793228844

約数列:

[1, 2, 4, 251, 502, 1004, 2789, 5578, 6971, 11156, 13942, 27884, 700039, 1400078, 1749721, 2800156, 3499442, 6998884, 19442119, 38884238, 77768476, 4879971869, 9759943738, 19519887476]

約数ペア:

[(1, 19519887476), (2, 9759943738), (4, 4879971869), (251, 77768476), (502, 38884238), (1004, 19442119), (2789, 6998884), (5578, 3499442), (6971, 2800156), (11156, 1749721), (13942, 1400078), (27884, 700039)]