18253760

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{281}}^1$

素因数の和:334

約数の個数: 112

約数和(自身を含む): 51572160

約数和(自身を除く): 33318400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 32, 35, 40, 56, 58, 64, 70, 80, 112, 116, 140, 145, 160, 203, 224, 232, 280, 281, 290, 320, 406, 448, 464, 560, 562, 580, 812, 928, 1015, 1120, 1124, 1160, 1405, 1624, 1856, 1967, 2030, 2240, 2248, 2320, 2810, 3248, 3934, 4060, 4496, 4640, 5620, 6496, 7868, 8120, 8149, 8992, 9280, 9835, 11240, 12992, 15736, 16240, 16298, 17984, 19670, 22480, 31472, 32480, 32596, 39340, 40745, 44960, 57043, 62944, 64960, 65192, 78680, 81490, 89920, 114086, 125888, 130384, 157360, 162980, 228172, 260768, 285215, 314720, 325960, 456344, 521536, 570430, 629440, 651920, 912688, 1140860, 1303840, 1825376, 2281720, 2607680, 3650752, 4563440, 9126880, 18253760]

約数ペア:

[(1, 18253760), (2, 9126880), (4, 4563440), (5, 3650752), (7, 2607680), (8, 2281720), (10, 1825376), (14, 1303840), (16, 1140860), (20, 912688), (28, 651920), (29, 629440), (32, 570430), (35, 521536), (40, 456344), (56, 325960), (58, 314720), (64, 285215), (70, 260768), (80, 228172), (112, 162980), (116, 157360), (140, 130384), (145, 125888), (160, 114086), (203, 89920), (224, 81490), (232, 78680), (280, 65192), (281, 64960), (290, 62944), (320, 57043), (406, 44960), (448, 40745), (464, 39340), (560, 32596), (562, 32480), (580, 31472), (812, 22480), (928, 19670), (1015, 17984), (1120, 16298), (1124, 16240), (1160, 15736), (1405, 12992), (1624, 11240), (1856, 9835), (1967, 9280), (2030, 8992), (2240, 8149), (2248, 8120), (2320, 7868), (2810, 6496), (3248, 5620), (3934, 4640), (4060, 4496)]