18478356

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3821}}^1$

素因数の和:3872

約数の個数: 48

約数和(自身を含む): 47943168

約数和(自身を除く): 29464812

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 372, 403, 806, 1209, 1612, 2418, 3821, 4836, 7642, 11463, 15284, 22926, 45852, 49673, 99346, 118451, 149019, 198692, 236902, 298038, 355353, 473804, 596076, 710706, 1421412, 1539863, 3079726, 4619589, 6159452, 9239178, 18478356]

約数ペア:

[(1, 18478356), (2, 9239178), (3, 6159452), (4, 4619589), (6, 3079726), (12, 1539863), (13, 1421412), (26, 710706), (31, 596076), (39, 473804), (52, 355353), (62, 298038), (78, 236902), (93, 198692), (124, 149019), (156, 118451), (186, 99346), (372, 49673), (403, 45852), (806, 22926), (1209, 15284), (1612, 11463), (2418, 7642), (3821, 4836)]