19291664

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{7489}}^1$

素因数の和:7527

約数の個数: 40

約数和(自身を含む): 44580480

約数和(自身を除く): 25288816

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 1288, 2576, 7489, 14978, 29956, 52423, 59912, 104846, 119824, 172247, 209692, 344494, 419384, 688988, 838768, 1205729, 1377976, 2411458, 2755952, 4822916, 9645832, 19291664]

約数ペア:

[(1, 19291664), (2, 9645832), (4, 4822916), (7, 2755952), (8, 2411458), (14, 1377976), (16, 1205729), (23, 838768), (28, 688988), (46, 419384), (56, 344494), (92, 209692), (112, 172247), (161, 119824), (184, 104846), (322, 59912), (368, 52423), (644, 29956), (1288, 14978), (2576, 7489)]