19898176

素因数分解:

$2^6\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:263

約数の個数: 56

約数和(自身を含む): 41696640

約数和(自身を除く): 21798464

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 71, 116, 142, 151, 232, 284, 302, 464, 568, 604, 928, 1136, 1208, 1856, 2059, 2272, 2416, 4118, 4379, 4544, 4832, 8236, 8758, 9664, 10721, 16472, 17516, 21442, 32944, 35032, 42884, 65888, 70064, 85768, 131776, 140128, 171536, 280256, 310909, 343072, 621818, 686144, 1243636, 2487272, 4974544, 9949088, 19898176]

約数ペア:

[(1, 19898176), (2, 9949088), (4, 4974544), (8, 2487272), (16, 1243636), (29, 686144), (32, 621818), (58, 343072), (64, 310909), (71, 280256), (116, 171536), (142, 140128), (151, 131776), (232, 85768), (284, 70064), (302, 65888), (464, 42884), (568, 35032), (604, 32944), (928, 21442), (1136, 17516), (1208, 16472), (1856, 10721), (2059, 9664), (2272, 8758), (2416, 8236), (4118, 4832), (4379, 4544)]