18687318

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{829}}^1$

素因数の和:881

約数の個数: 48

約数和(自身を含む): 42808080

約数和(自身を除く): 24120762

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 289, 442, 578, 663, 829, 867, 1326, 1658, 1734, 2487, 3757, 4974, 7514, 10777, 11271, 14093, 21554, 22542, 28186, 32331, 42279, 64662, 84558, 183209, 239581, 366418, 479162, 549627, 718743, 1099254, 1437486, 3114553, 6229106, 9343659, 18687318]

約数ペア:

[(1, 18687318), (2, 9343659), (3, 6229106), (6, 3114553), (13, 1437486), (17, 1099254), (26, 718743), (34, 549627), (39, 479162), (51, 366418), (78, 239581), (102, 183209), (221, 84558), (289, 64662), (442, 42279), (578, 32331), (663, 28186), (829, 22542), (867, 21554), (1326, 14093), (1658, 11271), (1734, 10777), (2487, 7514), (3757, 4974)]