18725580

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{3853}}^1$

素因数の和:3877

約数の個数: 72

約数和(自身を含む): 58919952

約数和(自身を除く): 40194372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 3853, 4860, 7706, 11559, 15412, 19265, 23118, 34677, 38530, 46236, 57795, 69354, 77060, 104031, 115590, 138708, 173385, 208062, 231180, 312093, 346770, 416124, 520155, 624186, 693540, 936279, 1040310, 1248372, 1560465, 1872558, 2080620, 3120930, 3745116, 4681395, 6241860, 9362790, 18725580]

約数ペア:

[(1, 18725580), (2, 9362790), (3, 6241860), (4, 4681395), (5, 3745116), (6, 3120930), (9, 2080620), (10, 1872558), (12, 1560465), (15, 1248372), (18, 1040310), (20, 936279), (27, 693540), (30, 624186), (36, 520155), (45, 416124), (54, 346770), (60, 312093), (81, 231180), (90, 208062), (108, 173385), (135, 138708), (162, 115590), (180, 104031), (243, 77060), (270, 69354), (324, 57795), (405, 46236), (486, 38530), (540, 34677), (810, 23118), (972, 19265), (1215, 15412), (1620, 11559), (2430, 7706), (3853, 4860)]