19912320758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{807409}}^1$

素因数の和:807500

約数の個数: 32

約数和(自身を含む): 34880112000

約数和(自身を除く): 14967791242

約数列:

[1, 2, 11, 19, 22, 38, 59, 118, 209, 418, 649, 1121, 1298, 2242, 12331, 24662, 807409, 1614818, 8881499, 15340771, 17762998, 30681542, 47637131, 95274262, 168748481, 337496962, 524008441, 905105489, 1048016882, 1810210978, 9956160379, 19912320758]

約数ペア:

[(1, 19912320758), (2, 9956160379), (11, 1810210978), (19, 1048016882), (22, 905105489), (38, 524008441), (59, 337496962), (118, 168748481), (209, 95274262), (418, 47637131), (649, 30681542), (1121, 17762998), (1298, 15340771), (2242, 8881499), (12331, 1614818), (24662, 807409)]