19602380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{859}}^1$

素因数の和:1038

約数の個数: 48

約数和(自身を含む): 47389440

約数和(自身を除く): 27787060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 859, 1141, 1630, 1718, 2282, 3260, 3436, 4295, 4564, 5705, 6013, 8590, 11410, 12026, 17180, 22820, 24052, 30065, 60130, 120260, 140017, 280034, 560068, 700085, 980119, 1400170, 1960238, 2800340, 3920476, 4900595, 9801190, 19602380]

約数ペア:

[(1, 19602380), (2, 9801190), (4, 4900595), (5, 3920476), (7, 2800340), (10, 1960238), (14, 1400170), (20, 980119), (28, 700085), (35, 560068), (70, 280034), (140, 140017), (163, 120260), (326, 60130), (652, 30065), (815, 24052), (859, 22820), (1141, 17180), (1630, 12026), (1718, 11410), (2282, 8590), (3260, 6013), (3436, 5705), (4295, 4564)]