18414578

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:259

約数の個数: 48

約数和(自身を含む): 35171136

約数和(自身を除く): 16756558

約数列:

[1, 2, 7, 13, 14, 26, 43, 86, 91, 169, 181, 182, 301, 338, 362, 559, 602, 1118, 1183, 1267, 2353, 2366, 2534, 3913, 4706, 7267, 7783, 7826, 14534, 15566, 16471, 30589, 32942, 50869, 54481, 61178, 101179, 101738, 108962, 202358, 214123, 428246, 708253, 1315327, 1416506, 2630654, 9207289, 18414578]

約数ペア:

[(1, 18414578), (2, 9207289), (7, 2630654), (13, 1416506), (14, 1315327), (26, 708253), (43, 428246), (86, 214123), (91, 202358), (169, 108962), (181, 101738), (182, 101179), (301, 61178), (338, 54481), (362, 50869), (559, 32942), (602, 30589), (1118, 16471), (1183, 15566), (1267, 14534), (2353, 7826), (2366, 7783), (2534, 7267), (3913, 4706)]