19550368

素因数分解:

$2^5\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{263}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 40715136

約数和(自身を除く): 21164768

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 92, 101, 184, 202, 263, 368, 404, 526, 736, 808, 1052, 1616, 2104, 2323, 3232, 4208, 4646, 6049, 8416, 9292, 12098, 18584, 24196, 26563, 37168, 48392, 53126, 74336, 96784, 106252, 193568, 212504, 425008, 610949, 850016, 1221898, 2443796, 4887592, 9775184, 19550368]

約数ペア:

[(1, 19550368), (2, 9775184), (4, 4887592), (8, 2443796), (16, 1221898), (23, 850016), (32, 610949), (46, 425008), (92, 212504), (101, 193568), (184, 106252), (202, 96784), (263, 74336), (368, 53126), (404, 48392), (526, 37168), (736, 26563), (808, 24196), (1052, 18584), (1616, 12098), (2104, 9292), (2323, 8416), (3232, 6049), (4208, 4646)]