18319021360

素因数分解:

$2^4\times 5^1\times {\mathrm{3319}}^1\times {\mathrm{68993}}^1$

素因数の和:72325

約数の個数: 40

約数和(自身を含む): 42605174880

約数和(自身を除く): 24286153520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3319, 6638, 13276, 16595, 26552, 33190, 53104, 66380, 68993, 132760, 137986, 265520, 275972, 344965, 551944, 689930, 1103888, 1379860, 2759720, 5519440, 228987767, 457975534, 915951068, 1144938835, 1831902136, 2289877670, 3663804272, 4579755340, 9159510680, 18319021360]

約数ペア:

[(1, 18319021360), (2, 9159510680), (4, 4579755340), (5, 3663804272), (8, 2289877670), (10, 1831902136), (16, 1144938835), (20, 915951068), (40, 457975534), (80, 228987767), (3319, 5519440), (6638, 2759720), (13276, 1379860), (16595, 1103888), (26552, 689930), (33190, 551944), (53104, 344965), (66380, 275972), (68993, 265520), (132760, 137986)]