18741412

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{521}}^1$

素因数の和:588

約数の個数: 36

約数和(自身を含む): 36371916

約数和(自身を除く): 17630504

約数列:

[1, 2, 4, 17, 23, 34, 46, 68, 92, 391, 521, 529, 782, 1042, 1058, 1564, 2084, 2116, 8857, 8993, 11983, 17714, 17986, 23966, 35428, 35972, 47932, 203711, 275609, 407422, 551218, 814844, 1102436, 4685353, 9370706, 18741412]

約数ペア:

[(1, 18741412), (2, 9370706), (4, 4685353), (17, 1102436), (23, 814844), (34, 551218), (46, 407422), (68, 275609), (92, 203711), (391, 47932), (521, 35972), (529, 35428), (782, 23966), (1042, 17986), (1058, 17714), (1564, 11983), (2084, 8993), (2116, 8857)]