18992210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^2\times {\mathrm{5261}}^1$

素因数の和:5306

約数の個数: 24

約数和(自身を含む): 36086796

約数和(自身を除く): 17094586

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 361, 722, 1805, 3610, 5261, 10522, 26305, 52610, 99959, 199918, 499795, 999590, 1899221, 3798442, 9496105, 18992210]

約数ペア:

[(1, 18992210), (2, 9496105), (5, 3798442), (10, 1899221), (19, 999590), (38, 499795), (95, 199918), (190, 99959), (361, 52610), (722, 26305), (1805, 10522), (3610, 5261)]