9819420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12589}}^1$

素因数の和:12614

約数の個数: 48

約数和(自身を含む): 29611680

約数和(自身を除く): 19792260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 12589, 25178, 37767, 50356, 62945, 75534, 125890, 151068, 163657, 188835, 251780, 327314, 377670, 490971, 654628, 755340, 818285, 981942, 1636570, 1963884, 2454855, 3273140, 4909710, 9819420]

約数ペア:

[(1, 9819420), (2, 4909710), (3, 3273140), (4, 2454855), (5, 1963884), (6, 1636570), (10, 981942), (12, 818285), (13, 755340), (15, 654628), (20, 490971), (26, 377670), (30, 327314), (39, 251780), (52, 188835), (60, 163657), (65, 151068), (78, 125890), (130, 75534), (156, 62945), (195, 50356), (260, 37767), (390, 25178), (780, 12589)]