19171755

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1$

素因数の和:185

約数の個数: 64

約数和(自身を含む): 36288000

約数和(自身を除く): 17116245

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 59, 83, 87, 135, 145, 177, 249, 261, 295, 415, 435, 531, 747, 783, 885, 1245, 1305, 1593, 1711, 2241, 2407, 2655, 3735, 3915, 4897, 5133, 7221, 7965, 8555, 11205, 12035, 14691, 15399, 21663, 24485, 25665, 36105, 44073, 46197, 64989, 73455, 76995, 108315, 132219, 142013, 220365, 230985, 324945, 426039, 661095, 710065, 1278117, 2130195, 3834351, 6390585, 19171755]

約数ペア:

[(1, 19171755), (3, 6390585), (5, 3834351), (9, 2130195), (15, 1278117), (27, 710065), (29, 661095), (45, 426039), (59, 324945), (83, 230985), (87, 220365), (135, 142013), (145, 132219), (177, 108315), (249, 76995), (261, 73455), (295, 64989), (415, 46197), (435, 44073), (531, 36105), (747, 25665), (783, 24485), (885, 21663), (1245, 15399), (1305, 14691), (1593, 12035), (1711, 11205), (2241, 8555), (2407, 7965), (2655, 7221), (3735, 5133), (3915, 4897)]