18211908

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{10613}}^1$

素因数の和:10644

約数の個数: 48

約数和(自身を含む): 49928256

約数和(自身を除く): 31716348

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 78, 132, 143, 156, 286, 429, 572, 858, 1716, 10613, 21226, 31839, 42452, 63678, 116743, 127356, 137969, 233486, 275938, 350229, 413907, 466972, 551876, 700458, 827814, 1400916, 1517659, 1655628, 3035318, 4552977, 6070636, 9105954, 18211908]

約数ペア:

[(1, 18211908), (2, 9105954), (3, 6070636), (4, 4552977), (6, 3035318), (11, 1655628), (12, 1517659), (13, 1400916), (22, 827814), (26, 700458), (33, 551876), (39, 466972), (44, 413907), (52, 350229), (66, 275938), (78, 233486), (132, 137969), (143, 127356), (156, 116743), (286, 63678), (429, 42452), (572, 31839), (858, 21226), (1716, 10613)]