19887180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{14411}}^1$

素因数の和:14446

約数の個数: 48

約数和(自身を含む): 58109184

約数和(自身を除く): 38222004

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, 14411, 28822, 43233, 57644, 72055, 86466, 144110, 172932, 216165, 288220, 331453, 432330, 662906, 864660, 994359, 1325812, 1657265, 1988718, 3314530, 3977436, 4971795, 6629060, 9943590, 19887180]

約数ペア:

[(1, 19887180), (2, 9943590), (3, 6629060), (4, 4971795), (5, 3977436), (6, 3314530), (10, 1988718), (12, 1657265), (15, 1325812), (20, 994359), (23, 864660), (30, 662906), (46, 432330), (60, 331453), (69, 288220), (92, 216165), (115, 172932), (138, 144110), (230, 86466), (276, 72055), (345, 57644), (460, 43233), (690, 28822), (1380, 14411)]