18748587

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 30834720

約数和(自身を除く): 12086133

約数列:

[1, 3, 11, 13, 29, 33, 39, 87, 121, 137, 143, 319, 363, 377, 411, 429, 957, 1131, 1507, 1573, 1781, 3509, 3973, 4147, 4521, 4719, 5343, 10527, 11919, 12441, 16577, 19591, 43703, 45617, 49731, 51649, 58773, 131109, 136851, 154947, 215501, 480733, 568139, 646503, 1442199, 1704417, 6249529, 18748587]

約数ペア:

[(1, 18748587), (3, 6249529), (11, 1704417), (13, 1442199), (29, 646503), (33, 568139), (39, 480733), (87, 215501), (121, 154947), (137, 136851), (143, 131109), (319, 58773), (363, 51649), (377, 49731), (411, 45617), (429, 43703), (957, 19591), (1131, 16577), (1507, 12441), (1573, 11919), (1781, 10527), (3509, 5343), (3973, 4719), (4147, 4521)]