19868472

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{21227}}^1$

素因数の和:21252

約数の個数: 48

約数和(自身を含む): 57952440

約数和(自身を除く): 38083968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 21227, 42454, 63681, 84908, 127362, 169816, 191043, 254724, 275951, 382086, 509448, 551902, 764172, 827853, 1103804, 1528344, 1655706, 2207608, 2483559, 3311412, 4967118, 6622824, 9934236, 19868472]

約数ペア:

[(1, 19868472), (2, 9934236), (3, 6622824), (4, 4967118), (6, 3311412), (8, 2483559), (9, 2207608), (12, 1655706), (13, 1528344), (18, 1103804), (24, 827853), (26, 764172), (36, 551902), (39, 509448), (52, 382086), (72, 275951), (78, 254724), (104, 191043), (117, 169816), (156, 127362), (234, 84908), (312, 63681), (468, 42454), (936, 21227)]