18902916

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{967}}^1$

素因数の和:1161

約数の個数: 48

約数和(自身を含む): 49329280

約数和(自身を除く): 30426364

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 362, 543, 724, 967, 1086, 1629, 1934, 2172, 2901, 3258, 3868, 4887, 5802, 6516, 8703, 9774, 11604, 17406, 19548, 26109, 34812, 52218, 104436, 175027, 350054, 525081, 700108, 1050162, 1575243, 2100324, 3150486, 4725729, 6300972, 9451458, 18902916]

約数ペア:

[(1, 18902916), (2, 9451458), (3, 6300972), (4, 4725729), (6, 3150486), (9, 2100324), (12, 1575243), (18, 1050162), (27, 700108), (36, 525081), (54, 350054), (108, 175027), (181, 104436), (362, 52218), (543, 34812), (724, 26109), (967, 19548), (1086, 17406), (1629, 11604), (1934, 9774), (2172, 8703), (2901, 6516), (3258, 5802), (3868, 4887)]