18026216

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 37332000

約数和(自身を除く): 19305784

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 169, 199, 268, 338, 398, 536, 676, 796, 871, 1352, 1592, 1742, 2587, 3484, 5174, 6968, 10348, 11323, 13333, 20696, 22646, 26666, 33631, 45292, 53332, 67262, 90584, 106664, 134524, 173329, 269048, 346658, 693316, 1386632, 2253277, 4506554, 9013108, 18026216]

約数ペア:

[(1, 18026216), (2, 9013108), (4, 4506554), (8, 2253277), (13, 1386632), (26, 693316), (52, 346658), (67, 269048), (104, 173329), (134, 134524), (169, 106664), (199, 90584), (268, 67262), (338, 53332), (398, 45292), (536, 33631), (676, 26666), (796, 22646), (871, 20696), (1352, 13333), (1592, 11323), (1742, 10348), (2587, 6968), (3484, 5174)]