12197784820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{1267961}}^1$

素因数の和:1268020

約数の個数: 48

約数和(自身を含む): 28331342928

約数和(自身を除く): 16133558108

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 9620, 1267961, 2535922, 5071844, 6339805, 12679610, 16483493, 25359220, 32966986, 46914557, 65933972, 82417465, 93829114, 164834930, 187658228, 234572785, 329669860, 469145570, 609889241, 938291140, 1219778482, 2439556964, 3049446205, 6098892410, 12197784820]

約数ペア:

[(1, 12197784820), (2, 6098892410), (4, 3049446205), (5, 2439556964), (10, 1219778482), (13, 938291140), (20, 609889241), (26, 469145570), (37, 329669860), (52, 234572785), (65, 187658228), (74, 164834930), (130, 93829114), (148, 82417465), (185, 65933972), (260, 46914557), (370, 32966986), (481, 25359220), (740, 16483493), (962, 12679610), (1924, 6339805), (2405, 5071844), (4810, 2535922), (9620, 1267961)]