18441825

素因数分解:

$3^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 32289600

約数和(自身を除く): 13847775

約数列:

[1, 3, 5, 15, 25, 29, 61, 75, 87, 139, 145, 183, 305, 417, 435, 695, 725, 915, 1525, 1769, 2085, 2175, 3475, 4031, 4575, 5307, 8479, 8845, 10425, 12093, 20155, 25437, 26535, 42395, 44225, 60465, 100775, 127185, 132675, 211975, 245891, 302325, 635925, 737673, 1229455, 3688365, 6147275, 18441825]

約数ペア:

[(1, 18441825), (3, 6147275), (5, 3688365), (15, 1229455), (25, 737673), (29, 635925), (61, 302325), (75, 245891), (87, 211975), (139, 132675), (145, 127185), (183, 100775), (305, 60465), (417, 44225), (435, 42395), (695, 26535), (725, 25437), (915, 20155), (1525, 12093), (1769, 10425), (2085, 8845), (2175, 8479), (3475, 5307), (4031, 4575)]