19721952

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{47}}^2$

素因数の和:141

約数の個数: 108

約数和(自身を含む): 59151456

約数和(自身を除く): 39429504

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 47, 48, 62, 72, 93, 94, 96, 124, 141, 144, 186, 188, 248, 279, 282, 288, 372, 376, 423, 496, 558, 564, 744, 752, 846, 992, 1116, 1128, 1457, 1488, 1504, 1692, 2209, 2232, 2256, 2914, 2976, 3384, 4371, 4418, 4464, 4512, 5828, 6627, 6768, 8742, 8836, 8928, 11656, 13113, 13254, 13536, 17484, 17672, 19881, 23312, 26226, 26508, 34968, 35344, 39762, 46624, 52452, 53016, 68479, 69936, 70688, 79524, 104904, 106032, 136958, 139872, 159048, 205437, 209808, 212064, 273916, 318096, 410874, 419616, 547832, 616311, 636192, 821748, 1095664, 1232622, 1643496, 2191328, 2465244, 3286992, 4930488, 6573984, 9860976, 19721952]

約数ペア:

[(1, 19721952), (2, 9860976), (3, 6573984), (4, 4930488), (6, 3286992), (8, 2465244), (9, 2191328), (12, 1643496), (16, 1232622), (18, 1095664), (24, 821748), (31, 636192), (32, 616311), (36, 547832), (47, 419616), (48, 410874), (62, 318096), (72, 273916), (93, 212064), (94, 209808), (96, 205437), (124, 159048), (141, 139872), (144, 136958), (186, 106032), (188, 104904), (248, 79524), (279, 70688), (282, 69936), (288, 68479), (372, 53016), (376, 52452), (423, 46624), (496, 39762), (558, 35344), (564, 34968), (744, 26508), (752, 26226), (846, 23312), (992, 19881), (1116, 17672), (1128, 17484), (1457, 13536), (1488, 13254), (1504, 13113), (1692, 11656), (2209, 8928), (2232, 8836), (2256, 8742), (2914, 6768), (2976, 6627), (3384, 5828), (4371, 4512), (4418, 4464)]