18550260

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{401}}^1$

素因数の和:673

約数の個数: 72

約数和(自身を含む): 56628936

約数和(自身を除く): 38078676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 401, 514, 771, 802, 1028, 1203, 1285, 1542, 1604, 2005, 2313, 2406, 2570, 3084, 3609, 3855, 4010, 4626, 4812, 5140, 6015, 7218, 7710, 8020, 9252, 11565, 12030, 14436, 15420, 18045, 23130, 24060, 36090, 46260, 72180, 103057, 206114, 309171, 412228, 515285, 618342, 927513, 1030570, 1236684, 1545855, 1855026, 2061140, 3091710, 3710052, 4637565, 6183420, 9275130, 18550260]

約数ペア:

[(1, 18550260), (2, 9275130), (3, 6183420), (4, 4637565), (5, 3710052), (6, 3091710), (9, 2061140), (10, 1855026), (12, 1545855), (15, 1236684), (18, 1030570), (20, 927513), (30, 618342), (36, 515285), (45, 412228), (60, 309171), (90, 206114), (180, 103057), (257, 72180), (401, 46260), (514, 36090), (771, 24060), (802, 23130), (1028, 18045), (1203, 15420), (1285, 14436), (1542, 12030), (1604, 11565), (2005, 9252), (2313, 8020), (2406, 7710), (2570, 7218), (3084, 6015), (3609, 5140), (3855, 4812), (4010, 4626)]