19986368

素因数分解:

$2^6\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1$

素因数の和:217

約数の個数: 56

約数和(自身を含む): 41452800

約数和(自身を除く): 21466432

約数列:

[1, 2, 4, 8, 16, 32, 59, 64, 67, 79, 118, 134, 158, 236, 268, 316, 472, 536, 632, 944, 1072, 1264, 1888, 2144, 2528, 3776, 3953, 4288, 4661, 5056, 5293, 7906, 9322, 10586, 15812, 18644, 21172, 31624, 37288, 42344, 63248, 74576, 84688, 126496, 149152, 169376, 252992, 298304, 312287, 338752, 624574, 1249148, 2498296, 4996592, 9993184, 19986368]

約数ペア:

[(1, 19986368), (2, 9993184), (4, 4996592), (8, 2498296), (16, 1249148), (32, 624574), (59, 338752), (64, 312287), (67, 298304), (79, 252992), (118, 169376), (134, 149152), (158, 126496), (236, 84688), (268, 74576), (316, 63248), (472, 42344), (536, 37288), (632, 31624), (944, 21172), (1072, 18644), (1264, 15812), (1888, 10586), (2144, 9322), (2528, 7906), (3776, 5293), (3953, 5056), (4288, 4661)]