18381272

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3607}}^1$

素因数の和:3640

約数の個数: 48

約数和(自身を含む): 43187760

約数和(自身を除く): 24806488

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 3607, 5096, 7214, 14428, 25249, 28856, 46891, 50498, 93782, 100996, 176743, 187564, 201992, 328237, 353486, 375128, 656474, 706972, 1312948, 1413944, 2297659, 2625896, 4595318, 9190636, 18381272]

約数ペア:

[(1, 18381272), (2, 9190636), (4, 4595318), (7, 2625896), (8, 2297659), (13, 1413944), (14, 1312948), (26, 706972), (28, 656474), (49, 375128), (52, 353486), (56, 328237), (91, 201992), (98, 187564), (104, 176743), (182, 100996), (196, 93782), (364, 50498), (392, 46891), (637, 28856), (728, 25249), (1274, 14428), (2548, 7214), (3607, 5096)]