19333925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 48

約数和(自身を含む): 28331520

約数和(自身を除く): 8997595

約数列:

[1, 5, 13, 19, 25, 31, 65, 95, 101, 155, 247, 325, 403, 475, 505, 589, 775, 1235, 1313, 1919, 2015, 2525, 2945, 3131, 6175, 6565, 7657, 9595, 10075, 14725, 15655, 24947, 32825, 38285, 40703, 47975, 59489, 78275, 124735, 191425, 203515, 297445, 623675, 773357, 1017575, 1487225, 3866785, 19333925]

約数ペア:

[(1, 19333925), (5, 3866785), (13, 1487225), (19, 1017575), (25, 773357), (31, 623675), (65, 297445), (95, 203515), (101, 191425), (155, 124735), (247, 78275), (325, 59489), (403, 47975), (475, 40703), (505, 38285), (589, 32825), (775, 24947), (1235, 15655), (1313, 14725), (1919, 10075), (2015, 9595), (2525, 7657), (2945, 6565), (3131, 6175)]