19045984

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:407

約数の個数: 48

約数和(自身を含む): 40134528

約数和(自身を除く): 21088544

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 157, 223, 272, 314, 446, 544, 628, 892, 1256, 1784, 2512, 2669, 3568, 3791, 5024, 5338, 7136, 7582, 10676, 15164, 21352, 30328, 35011, 42704, 60656, 70022, 85408, 121312, 140044, 280088, 560176, 595187, 1120352, 1190374, 2380748, 4761496, 9522992, 19045984]

約数ペア:

[(1, 19045984), (2, 9522992), (4, 4761496), (8, 2380748), (16, 1190374), (17, 1120352), (32, 595187), (34, 560176), (68, 280088), (136, 140044), (157, 121312), (223, 85408), (272, 70022), (314, 60656), (446, 42704), (544, 35011), (628, 30328), (892, 21352), (1256, 15164), (1784, 10676), (2512, 7582), (2669, 7136), (3568, 5338), (3791, 5024)]