18197686

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:496

約数の個数: 32

約数和(自身を含む): 30891168

約数和(自身を除く): 12693482

約数列:

[1, 2, 13, 26, 41, 43, 82, 86, 397, 533, 559, 794, 1066, 1118, 1763, 3526, 5161, 10322, 16277, 17071, 22919, 32554, 34142, 45838, 211601, 221923, 423202, 443846, 699911, 1399822, 9098843, 18197686]

約数ペア:

[(1, 18197686), (2, 9098843), (13, 1399822), (26, 699911), (41, 443846), (43, 423202), (82, 221923), (86, 211601), (397, 45838), (533, 34142), (559, 32554), (794, 22919), (1066, 17071), (1118, 16277), (1763, 10322), (3526, 5161)]