19303700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1$

素因数の和:537

約数の個数: 72

約数和(自身を含む): 46663680

約数和(自身を除く): 27359980

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, 479, 620, 650, 775, 806, 958, 1300, 1550, 1612, 1916, 2015, 2395, 3100, 4030, 4790, 6227, 8060, 9580, 10075, 11975, 12454, 14849, 20150, 23950, 24908, 29698, 31135, 40300, 47900, 59396, 62270, 74245, 124540, 148490, 155675, 193037, 296980, 311350, 371225, 386074, 622700, 742450, 772148, 965185, 1484900, 1930370, 3860740, 4825925, 9651850, 19303700]

約数ペア:

[(1, 19303700), (2, 9651850), (4, 4825925), (5, 3860740), (10, 1930370), (13, 1484900), (20, 965185), (25, 772148), (26, 742450), (31, 622700), (50, 386074), (52, 371225), (62, 311350), (65, 296980), (100, 193037), (124, 155675), (130, 148490), (155, 124540), (260, 74245), (310, 62270), (325, 59396), (403, 47900), (479, 40300), (620, 31135), (650, 29698), (775, 24908), (806, 23950), (958, 20150), (1300, 14849), (1550, 12454), (1612, 11975), (1916, 10075), (2015, 9580), (2395, 8060), (3100, 6227), (4030, 4790)]