18739968

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1877}}^1$

素因数の和:1909

約数の個数: 72

約数和(自身を含む): 53740848

約数和(自身を除く): 35000880

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 64, 78, 96, 104, 128, 156, 192, 208, 256, 312, 384, 416, 624, 768, 832, 1248, 1664, 1877, 2496, 3328, 3754, 4992, 5631, 7508, 9984, 11262, 15016, 22524, 24401, 30032, 45048, 48802, 60064, 73203, 90096, 97604, 120128, 146406, 180192, 195208, 240256, 292812, 360384, 390416, 480512, 585624, 720768, 780832, 1171248, 1441536, 1561664, 2342496, 3123328, 4684992, 6246656, 9369984, 18739968]

約数ペア:

[(1, 18739968), (2, 9369984), (3, 6246656), (4, 4684992), (6, 3123328), (8, 2342496), (12, 1561664), (13, 1441536), (16, 1171248), (24, 780832), (26, 720768), (32, 585624), (39, 480512), (48, 390416), (52, 360384), (64, 292812), (78, 240256), (96, 195208), (104, 180192), (128, 146406), (156, 120128), (192, 97604), (208, 90096), (256, 73203), (312, 60064), (384, 48802), (416, 45048), (624, 30032), (768, 24401), (832, 22524), (1248, 15016), (1664, 11262), (1877, 9984), (2496, 7508), (3328, 5631), (3754, 4992)]