20181491231

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1\times {\mathrm{6659}}^1$

素因数の和:7559

約数の個数: 32

約数和(自身を含む): 24570604800

約数和(自身を除く): 4389113569

約数列:

[1, 11, 17, 19, 187, 209, 323, 853, 3553, 6659, 9383, 14501, 16207, 73249, 113203, 126521, 159511, 178277, 275519, 1245233, 1391731, 2150857, 3030709, 5680127, 23659427, 62481397, 96562159, 107922413, 1062183749, 1187146543, 1834681021, 20181491231]

約数ペア:

[(1, 20181491231), (11, 1834681021), (17, 1187146543), (19, 1062183749), (187, 107922413), (209, 96562159), (323, 62481397), (853, 23659427), (3553, 5680127), (6659, 3030709), (9383, 2150857), (14501, 1391731), (16207, 1245233), (73249, 275519), (113203, 178277), (126521, 159511)]