19996132

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{547}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 40815040

約数和(自身を除く): 20818908

約数列:

[1, 2, 4, 13, 19, 26, 37, 38, 52, 74, 76, 148, 247, 481, 494, 547, 703, 962, 988, 1094, 1406, 1924, 2188, 2812, 7111, 9139, 10393, 14222, 18278, 20239, 20786, 28444, 36556, 40478, 41572, 80956, 135109, 263107, 270218, 384541, 526214, 540436, 769082, 1052428, 1538164, 4999033, 9998066, 19996132]

約数ペア:

[(1, 19996132), (2, 9998066), (4, 4999033), (13, 1538164), (19, 1052428), (26, 769082), (37, 540436), (38, 526214), (52, 384541), (74, 270218), (76, 263107), (148, 135109), (247, 80956), (481, 41572), (494, 40478), (547, 36556), (703, 28444), (962, 20786), (988, 20239), (1094, 18278), (1406, 14222), (1924, 10393), (2188, 9139), (2812, 7111)]