18458505

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 34856640

約数和(自身を除く): 16398135

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 139, 195, 227, 417, 585, 681, 695, 1135, 1251, 1807, 2043, 2085, 2951, 3405, 5421, 6255, 8853, 9035, 10215, 14755, 16263, 26559, 27105, 31553, 44265, 81315, 94659, 132795, 157765, 283977, 410189, 473295, 1230567, 1419885, 2050945, 3691701, 6152835, 18458505]

約数ペア:

[(1, 18458505), (3, 6152835), (5, 3691701), (9, 2050945), (13, 1419885), (15, 1230567), (39, 473295), (45, 410189), (65, 283977), (117, 157765), (139, 132795), (195, 94659), (227, 81315), (417, 44265), (585, 31553), (681, 27105), (695, 26559), (1135, 16263), (1251, 14755), (1807, 10215), (2043, 9035), (2085, 8853), (2951, 6255), (3405, 5421)]