19678064

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7639}}^1$

素因数の和:7677

約数の個数: 40

約数和(自身を含む): 45473280

約数和(自身を除く): 25795216

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7639, 15278, 30556, 53473, 61112, 106946, 122224, 175697, 213892, 351394, 427784, 702788, 855568, 1229879, 1405576, 2459758, 2811152, 4919516, 9839032, 19678064]

約数ペア:

[(1, 19678064), (2, 9839032), (4, 4919516), (7, 2811152), (8, 2459758), (14, 1405576), (16, 1229879), (23, 855568), (28, 702788), (46, 427784), (56, 351394), (92, 213892), (112, 175697), (161, 122224), (184, 106946), (322, 61112), (368, 53473), (644, 30556), (1288, 15278), (2576, 7639)]