18794220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{13619}}^1$

素因数の和:13654

約数の個数: 48

約数和(自身を含む): 54915840

約数和(自身を除く): 36121620

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 13619, 27238, 40857, 54476, 68095, 81714, 136190, 163428, 204285, 272380, 313237, 408570, 626474, 817140, 939711, 1252948, 1566185, 1879422, 3132370, 3758844, 4698555, 6264740, 9397110, 18794220]

約数ペア:

[(1, 18794220), (2, 9397110), (3, 6264740), (4, 4698555), (5, 3758844), (6, 3132370), (10, 1879422), (12, 1566185), (15, 1252948), (20, 939711), (23, 817140), (30, 626474), (46, 408570), (60, 313237), (69, 272380), (92, 204285), (115, 163428), (138, 136190), (230, 81714), (276, 68095), (345, 54476), (460, 40857), (690, 27238), (1380, 13619)]