19045408

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 39384576

約数和(自身を除く): 20339168

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 73, 124, 146, 248, 263, 292, 496, 526, 584, 992, 1052, 1168, 2104, 2263, 2336, 4208, 4526, 8153, 8416, 9052, 16306, 18104, 19199, 32612, 36208, 38398, 65224, 72416, 76796, 130448, 153592, 260896, 307184, 595169, 614368, 1190338, 2380676, 4761352, 9522704, 19045408]

約数ペア:

[(1, 19045408), (2, 9522704), (4, 4761352), (8, 2380676), (16, 1190338), (31, 614368), (32, 595169), (62, 307184), (73, 260896), (124, 153592), (146, 130448), (248, 76796), (263, 72416), (292, 65224), (496, 38398), (526, 36208), (584, 32612), (992, 19199), (1052, 18104), (1168, 16306), (2104, 9052), (2263, 8416), (2336, 8153), (4208, 4526)]