18701375

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:129

約数の個数: 64

約数和(自身を含む): 30551040

約数和(自身を除く): 11849665

約数列:

[1, 5, 7, 11, 25, 29, 35, 55, 67, 77, 125, 145, 175, 203, 275, 319, 335, 385, 469, 725, 737, 875, 1015, 1375, 1595, 1675, 1925, 1943, 2233, 2345, 3625, 3685, 5075, 5159, 7975, 8375, 9625, 9715, 11165, 11725, 13601, 18425, 21373, 25375, 25795, 39875, 48575, 55825, 58625, 68005, 92125, 106865, 128975, 149611, 242875, 279125, 340025, 534325, 644875, 748055, 1700125, 2671625, 3740275, 18701375]

約数ペア:

[(1, 18701375), (5, 3740275), (7, 2671625), (11, 1700125), (25, 748055), (29, 644875), (35, 534325), (55, 340025), (67, 279125), (77, 242875), (125, 149611), (145, 128975), (175, 106865), (203, 92125), (275, 68005), (319, 58625), (335, 55825), (385, 48575), (469, 39875), (725, 25795), (737, 25375), (875, 21373), (1015, 18425), (1375, 13601), (1595, 11725), (1675, 11165), (1925, 9715), (1943, 9625), (2233, 8375), (2345, 7975), (3625, 5159), (3685, 5075)]