19201312

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{457}}^1$

素因数の和:581

約数の個数: 48

約数和(自身を含む): 41203512

約数和(自身を除く): 22002200

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 101, 104, 202, 208, 404, 416, 457, 808, 914, 1313, 1616, 1828, 2626, 3232, 3656, 5252, 5941, 7312, 10504, 11882, 14624, 21008, 23764, 42016, 46157, 47528, 92314, 95056, 184628, 190112, 369256, 600041, 738512, 1200082, 1477024, 2400164, 4800328, 9600656, 19201312]

約数ペア:

[(1, 19201312), (2, 9600656), (4, 4800328), (8, 2400164), (13, 1477024), (16, 1200082), (26, 738512), (32, 600041), (52, 369256), (101, 190112), (104, 184628), (202, 95056), (208, 92314), (404, 47528), (416, 46157), (457, 42016), (808, 23764), (914, 21008), (1313, 14624), (1616, 11882), (1828, 10504), (2626, 7312), (3232, 5941), (3656, 5252)]