19857370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1483}}^1$

素因数の和:1606

約数の個数: 32

約数和(自身を含む): 38892672

約数和(自身を除く): 19035302

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 1483, 2678, 2966, 6695, 7415, 13390, 14830, 19279, 38558, 96395, 152749, 192790, 305498, 763745, 1527490, 1985737, 3971474, 9928685, 19857370]

約数ペア:

[(1, 19857370), (2, 9928685), (5, 3971474), (10, 1985737), (13, 1527490), (26, 763745), (65, 305498), (103, 192790), (130, 152749), (206, 96395), (515, 38558), (1030, 19279), (1339, 14830), (1483, 13390), (2678, 7415), (2966, 6695)]