18431388

素因数分解:

$2^2\times 3^4\times {\mathrm{163}}^1\times {\mathrm{349}}^1$

素因数の和:528

約数の個数: 60

約数和(自身を含む): 48617800

約数和(自身を除く): 30186412

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 163, 324, 326, 349, 489, 652, 698, 978, 1047, 1396, 1467, 1956, 2094, 2934, 3141, 4188, 4401, 5868, 6282, 8802, 9423, 12564, 13203, 17604, 18846, 26406, 28269, 37692, 52812, 56538, 56887, 113076, 113774, 170661, 227548, 341322, 511983, 682644, 1023966, 1535949, 2047932, 3071898, 4607847, 6143796, 9215694, 18431388]

約数ペア:

[(1, 18431388), (2, 9215694), (3, 6143796), (4, 4607847), (6, 3071898), (9, 2047932), (12, 1535949), (18, 1023966), (27, 682644), (36, 511983), (54, 341322), (81, 227548), (108, 170661), (162, 113774), (163, 113076), (324, 56887), (326, 56538), (349, 52812), (489, 37692), (652, 28269), (698, 26406), (978, 18846), (1047, 17604), (1396, 13203), (1467, 12564), (1956, 9423), (2094, 8802), (2934, 6282), (3141, 5868), (4188, 4401)]