19157138

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1367}}^1$

素因数の和:1407

約数の個数: 48

約数和(自身を含む): 39299904

約数和(自身を除く): 20142766

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 143, 154, 182, 286, 539, 637, 1001, 1078, 1274, 1367, 2002, 2734, 7007, 9569, 14014, 15037, 17771, 19138, 30074, 35542, 66983, 105259, 124397, 133966, 195481, 210518, 248794, 390962, 736813, 870779, 1368367, 1473626, 1741558, 2736734, 9578569, 19157138]

約数ペア:

[(1, 19157138), (2, 9578569), (7, 2736734), (11, 1741558), (13, 1473626), (14, 1368367), (22, 870779), (26, 736813), (49, 390962), (77, 248794), (91, 210518), (98, 195481), (143, 133966), (154, 124397), (182, 105259), (286, 66983), (539, 35542), (637, 30074), (1001, 19138), (1078, 17771), (1274, 15037), (1367, 14014), (2002, 9569), (2734, 7007)]