19544460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25057}}^1$

素因数の和:25082

約数の個数: 48

約数和(自身を含む): 58936416

約数和(自身を除く): 39391956

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, 25057, 50114, 75171, 100228, 125285, 150342, 250570, 300684, 325741, 375855, 501140, 651482, 751710, 977223, 1302964, 1503420, 1628705, 1954446, 3257410, 3908892, 4886115, 6514820, 9772230, 19544460]

約数ペア:

[(1, 19544460), (2, 9772230), (3, 6514820), (4, 4886115), (5, 3908892), (6, 3257410), (10, 1954446), (12, 1628705), (13, 1503420), (15, 1302964), (20, 977223), (26, 751710), (30, 651482), (39, 501140), (52, 375855), (60, 325741), (65, 300684), (78, 250570), (130, 150342), (156, 125285), (195, 100228), (260, 75171), (390, 50114), (780, 25057)]