18289401

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 32

約数和(自身を含む): 27605760

約数和(自身を除く): 9316359

約数列:

[1, 3, 13, 29, 39, 87, 103, 157, 309, 377, 471, 1131, 1339, 2041, 2987, 4017, 4553, 6123, 8961, 13659, 16171, 38831, 48513, 59189, 116493, 177567, 210223, 468959, 630669, 1406877, 6096467, 18289401]

約数ペア:

[(1, 18289401), (3, 6096467), (13, 1406877), (29, 630669), (39, 468959), (87, 210223), (103, 177567), (157, 116493), (309, 59189), (377, 48513), (471, 38831), (1131, 16171), (1339, 13659), (2041, 8961), (2987, 6123), (4017, 4553)]