15321904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3877}}^1$

素因数の和:3917

約数の個数: 40

約数和(自身を含む): 33661040

約数和(自身を除く): 18339136

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3877, 3952, 7754, 15508, 31016, 50401, 62032, 73663, 100802, 147326, 201604, 294652, 403208, 589304, 806416, 957619, 1178608, 1915238, 3830476, 7660952, 15321904]

約数ペア:

[(1, 15321904), (2, 7660952), (4, 3830476), (8, 1915238), (13, 1178608), (16, 957619), (19, 806416), (26, 589304), (38, 403208), (52, 294652), (76, 201604), (104, 147326), (152, 100802), (208, 73663), (247, 62032), (304, 50401), (494, 31016), (988, 15508), (1976, 7754), (3877, 3952)]