19576864

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{397}}^1$

素因数の和:497

約数の個数: 48

約数和(自身を含む): 40920768

約数和(自身を除く): 21343904

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 67, 92, 134, 184, 268, 368, 397, 536, 736, 794, 1072, 1541, 1588, 2144, 3082, 3176, 6164, 6352, 9131, 12328, 12704, 18262, 24656, 26599, 36524, 49312, 53198, 73048, 106396, 146096, 212792, 292192, 425584, 611777, 851168, 1223554, 2447108, 4894216, 9788432, 19576864]

約数ペア:

[(1, 19576864), (2, 9788432), (4, 4894216), (8, 2447108), (16, 1223554), (23, 851168), (32, 611777), (46, 425584), (67, 292192), (92, 212792), (134, 146096), (184, 106396), (268, 73048), (368, 53198), (397, 49312), (536, 36524), (736, 26599), (794, 24656), (1072, 18262), (1541, 12704), (1588, 12328), (2144, 9131), (3082, 6352), (3176, 6164)]