19616350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{293}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 39809952

約数和(自身を除く): 20193602

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 103, 130, 206, 293, 325, 515, 586, 650, 1030, 1339, 1465, 2575, 2678, 2930, 3809, 5150, 6695, 7325, 7618, 13390, 14650, 19045, 30179, 33475, 38090, 60358, 66950, 95225, 150895, 190450, 301790, 392327, 754475, 784654, 1508950, 1961635, 3923270, 9808175, 19616350]

約数ペア:

[(1, 19616350), (2, 9808175), (5, 3923270), (10, 1961635), (13, 1508950), (25, 784654), (26, 754475), (50, 392327), (65, 301790), (103, 190450), (130, 150895), (206, 95225), (293, 66950), (325, 60358), (515, 38090), (586, 33475), (650, 30179), (1030, 19045), (1339, 14650), (1465, 13390), (2575, 7618), (2678, 7325), (2930, 6695), (3809, 5150)]