20199251918

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{761}}^1\times {\mathrm{11839}}^1$

素因数の和:12680

約数の個数: 32

約数和(自身を含む): 32479488000

約数和(自身を除く): 12280236082

約数列:

[1, 2, 19, 38, 59, 118, 761, 1121, 1522, 2242, 11839, 14459, 23678, 28918, 44899, 89798, 224941, 449882, 698501, 853081, 1397002, 1706162, 9009479, 13271519, 18018958, 26543038, 171180101, 342360202, 531559261, 1063118522, 10099625959, 20199251918]

約数ペア:

[(1, 20199251918), (2, 10099625959), (19, 1063118522), (38, 531559261), (59, 342360202), (118, 171180101), (761, 26543038), (1121, 18018958), (1522, 13271519), (2242, 9009479), (11839, 1706162), (14459, 1397002), (23678, 853081), (28918, 698501), (44899, 449882), (89798, 224941)]