19429408

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:361

約数の個数: 48

約数和(自身を含む): 40007520

約数和(自身を除く): 20578112

約数列:

[1, 2, 4, 8, 16, 32, 41, 59, 82, 118, 164, 236, 251, 328, 472, 502, 656, 944, 1004, 1312, 1888, 2008, 2419, 4016, 4838, 8032, 9676, 10291, 14809, 19352, 20582, 29618, 38704, 41164, 59236, 77408, 82328, 118472, 164656, 236944, 329312, 473888, 607169, 1214338, 2428676, 4857352, 9714704, 19429408]

約数ペア:

[(1, 19429408), (2, 9714704), (4, 4857352), (8, 2428676), (16, 1214338), (32, 607169), (41, 473888), (59, 329312), (82, 236944), (118, 164656), (164, 118472), (236, 82328), (251, 77408), (328, 59236), (472, 41164), (502, 38704), (656, 29618), (944, 20582), (1004, 19352), (1312, 14809), (1888, 10291), (2008, 9676), (2419, 8032), (4016, 4838)]