18666390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{683}}^1\times {\mathrm{911}}^1$

素因数の和:1604

約数の個数: 32

約数和(自身を含む): 44914176

約数和(自身を除く): 26247786

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 683, 911, 1366, 1822, 2049, 2733, 3415, 4098, 4555, 5466, 6830, 9110, 10245, 13665, 20490, 27330, 622213, 1244426, 1866639, 3111065, 3733278, 6222130, 9333195, 18666390]

約数ペア:

[(1, 18666390), (2, 9333195), (3, 6222130), (5, 3733278), (6, 3111065), (10, 1866639), (15, 1244426), (30, 622213), (683, 27330), (911, 20490), (1366, 13665), (1822, 10245), (2049, 9110), (2733, 6830), (3415, 5466), (4098, 4555)]