19466860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{211}}^1\times {\mathrm{659}}^1$

素因数の和:886

約数の個数: 48

約数和(自身を含む): 47013120

約数和(自身を除く): 27546260

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 211, 422, 659, 844, 1055, 1318, 1477, 2110, 2636, 2954, 3295, 4220, 4613, 5908, 6590, 7385, 9226, 13180, 14770, 18452, 23065, 29540, 46130, 92260, 139049, 278098, 556196, 695245, 973343, 1390490, 1946686, 2780980, 3893372, 4866715, 9733430, 19466860]

約数ペア:

[(1, 19466860), (2, 9733430), (4, 4866715), (5, 3893372), (7, 2780980), (10, 1946686), (14, 1390490), (20, 973343), (28, 695245), (35, 556196), (70, 278098), (140, 139049), (211, 92260), (422, 46130), (659, 29540), (844, 23065), (1055, 18452), (1318, 14770), (1477, 13180), (2110, 9226), (2636, 7385), (2954, 6590), (3295, 5908), (4220, 4613)]