18687456

素因数分解:

$2^5\times 3^3\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:565

約数の個数: 96

約数和(自身を含む): 55883520

約数和(自身を除く): 37196064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 43, 48, 54, 72, 86, 96, 108, 129, 144, 172, 216, 258, 288, 344, 387, 432, 503, 516, 688, 774, 864, 1006, 1032, 1161, 1376, 1509, 1548, 2012, 2064, 2322, 3018, 3096, 4024, 4128, 4527, 4644, 6036, 6192, 8048, 9054, 9288, 12072, 12384, 13581, 16096, 18108, 18576, 21629, 24144, 27162, 36216, 37152, 43258, 48288, 54324, 64887, 72432, 86516, 108648, 129774, 144864, 173032, 194661, 217296, 259548, 346064, 389322, 434592, 519096, 583983, 692128, 778644, 1038192, 1167966, 1557288, 2076384, 2335932, 3114576, 4671864, 6229152, 9343728, 18687456]

約数ペア:

[(1, 18687456), (2, 9343728), (3, 6229152), (4, 4671864), (6, 3114576), (8, 2335932), (9, 2076384), (12, 1557288), (16, 1167966), (18, 1038192), (24, 778644), (27, 692128), (32, 583983), (36, 519096), (43, 434592), (48, 389322), (54, 346064), (72, 259548), (86, 217296), (96, 194661), (108, 173032), (129, 144864), (144, 129774), (172, 108648), (216, 86516), (258, 72432), (288, 64887), (344, 54324), (387, 48288), (432, 43258), (503, 37152), (516, 36216), (688, 27162), (774, 24144), (864, 21629), (1006, 18576), (1032, 18108), (1161, 16096), (1376, 13581), (1509, 12384), (1548, 12072), (2012, 9288), (2064, 9054), (2322, 8048), (3018, 6192), (3096, 6036), (4024, 4644), (4128, 4527)]