18265004

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{211}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 36328320

約数和(自身を除く): 18063316

約数列:

[1, 2, 4, 17, 19, 34, 38, 67, 68, 76, 134, 211, 268, 323, 422, 646, 844, 1139, 1273, 1292, 2278, 2546, 3587, 4009, 4556, 5092, 7174, 8018, 14137, 14348, 16036, 21641, 28274, 43282, 56548, 68153, 86564, 136306, 240329, 268603, 272612, 480658, 537206, 961316, 1074412, 4566251, 9132502, 18265004]

約数ペア:

[(1, 18265004), (2, 9132502), (4, 4566251), (17, 1074412), (19, 961316), (34, 537206), (38, 480658), (67, 272612), (68, 268603), (76, 240329), (134, 136306), (211, 86564), (268, 68153), (323, 56548), (422, 43282), (646, 28274), (844, 21641), (1139, 16036), (1273, 14348), (1292, 14137), (2278, 8018), (2546, 7174), (3587, 5092), (4009, 4556)]