18094700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 43747200

約数和(自身を除く): 25652500

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 31, 50, 52, 62, 65, 100, 124, 130, 155, 260, 310, 325, 403, 449, 620, 650, 775, 806, 898, 1300, 1550, 1612, 1796, 2015, 2245, 3100, 4030, 4490, 5837, 8060, 8980, 10075, 11225, 11674, 13919, 20150, 22450, 23348, 27838, 29185, 40300, 44900, 55676, 58370, 69595, 116740, 139190, 145925, 180947, 278380, 291850, 347975, 361894, 583700, 695950, 723788, 904735, 1391900, 1809470, 3618940, 4523675, 9047350, 18094700]

約数ペア:

[(1, 18094700), (2, 9047350), (4, 4523675), (5, 3618940), (10, 1809470), (13, 1391900), (20, 904735), (25, 723788), (26, 695950), (31, 583700), (50, 361894), (52, 347975), (62, 291850), (65, 278380), (100, 180947), (124, 145925), (130, 139190), (155, 116740), (260, 69595), (310, 58370), (325, 55676), (403, 44900), (449, 40300), (620, 29185), (650, 27838), (775, 23348), (806, 22450), (898, 20150), (1300, 13919), (1550, 11674), (1612, 11225), (1796, 10075), (2015, 8980), (2245, 8060), (3100, 5837), (4030, 4490)]