19244990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:764

約数の個数: 32

約数和(自身を含む): 36027936

約数和(自身を除く): 16782946

約数列:

[1, 2, 5, 10, 41, 73, 82, 146, 205, 365, 410, 643, 730, 1286, 2993, 3215, 5986, 6430, 14965, 26363, 29930, 46939, 52726, 93878, 131815, 234695, 263630, 469390, 1924499, 3848998, 9622495, 19244990]

約数ペア:

[(1, 19244990), (2, 9622495), (5, 3848998), (10, 1924499), (41, 469390), (73, 263630), (82, 234695), (146, 131815), (205, 93878), (365, 52726), (410, 46939), (643, 29930), (730, 26363), (1286, 14965), (2993, 6430), (3215, 5986)]