18563415

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4139}}^1$

素因数の和:4183

約数の個数: 32

約数和(自身を含む): 33384960

約数和(自身を除く): 14821545

約数列:

[1, 3, 5, 13, 15, 23, 39, 65, 69, 115, 195, 299, 345, 897, 1495, 4139, 4485, 12417, 20695, 53807, 62085, 95197, 161421, 269035, 285591, 475985, 807105, 1237561, 1427955, 3712683, 6187805, 18563415]

約数ペア:

[(1, 18563415), (3, 6187805), (5, 3712683), (13, 1427955), (15, 1237561), (23, 807105), (39, 475985), (65, 285591), (69, 269035), (115, 161421), (195, 95197), (299, 62085), (345, 53807), (897, 20695), (1495, 12417), (4139, 4485)]