19298440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{157}}^1\times {\mathrm{439}}^1$

素因数の和:614

約数の個数: 64

約数和(自身を含む): 50054400

約数和(自身を除く): 30755960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 157, 280, 314, 439, 628, 785, 878, 1099, 1256, 1570, 1756, 2195, 2198, 3073, 3140, 3512, 4390, 4396, 5495, 6146, 6280, 8780, 8792, 10990, 12292, 15365, 17560, 21980, 24584, 30730, 43960, 61460, 68923, 122920, 137846, 275692, 344615, 482461, 551384, 689230, 964922, 1378460, 1929844, 2412305, 2756920, 3859688, 4824610, 9649220, 19298440]

約数ペア:

[(1, 19298440), (2, 9649220), (4, 4824610), (5, 3859688), (7, 2756920), (8, 2412305), (10, 1929844), (14, 1378460), (20, 964922), (28, 689230), (35, 551384), (40, 482461), (56, 344615), (70, 275692), (140, 137846), (157, 122920), (280, 68923), (314, 61460), (439, 43960), (628, 30730), (785, 24584), (878, 21980), (1099, 17560), (1256, 15365), (1570, 12292), (1756, 10990), (2195, 8792), (2198, 8780), (3073, 6280), (3140, 6146), (3512, 5495), (4390, 4396)]