19856824

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{773}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 42492600

約数和(自身を除く): 22635776

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 169, 247, 338, 494, 676, 773, 988, 1352, 1546, 1976, 3092, 3211, 6184, 6422, 10049, 12844, 14687, 20098, 25688, 29374, 40196, 58748, 80392, 117496, 130637, 190931, 261274, 381862, 522548, 763724, 1045096, 1527448, 2482103, 4964206, 9928412, 19856824]

約数ペア:

[(1, 19856824), (2, 9928412), (4, 4964206), (8, 2482103), (13, 1527448), (19, 1045096), (26, 763724), (38, 522548), (52, 381862), (76, 261274), (104, 190931), (152, 130637), (169, 117496), (247, 80392), (338, 58748), (494, 40196), (676, 29374), (773, 25688), (988, 20098), (1352, 14687), (1546, 12844), (1976, 10049), (3092, 6422), (3211, 6184)]