19542242005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2399}}^1\times {\mathrm{11393}}^1$

素因数の和:13821

約数の個数: 32

約数和(自身を含む): 27564364800

約数和(自身を除く): 8022122795

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 2399, 11393, 11995, 26389, 31187, 56965, 125323, 131945, 148109, 155935, 343057, 626615, 740545, 1629199, 1715285, 8145995, 27331807, 136659035, 300649877, 355313491, 1503249385, 1776567455, 3908448401, 19542242005]

約数ペア:

[(1, 19542242005), (5, 3908448401), (11, 1776567455), (13, 1503249385), (55, 355313491), (65, 300649877), (143, 136659035), (715, 27331807), (2399, 8145995), (11393, 1715285), (11995, 1629199), (26389, 740545), (31187, 626615), (56965, 343057), (125323, 155935), (131945, 148109)]