19005694820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{135754963}}^1$

素因数の和:135754979

約数の個数: 24

約数和(自身を含む): 45613667904

約数和(自身を除く): 26607973084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 135754963, 271509926, 543019852, 678774815, 950284741, 1357549630, 1900569482, 2715099260, 3801138964, 4751423705, 9502847410, 19005694820]

約数ペア:

[(1, 19005694820), (2, 9502847410), (4, 4751423705), (5, 3801138964), (7, 2715099260), (10, 1900569482), (14, 1357549630), (20, 950284741), (28, 678774815), (35, 543019852), (70, 271509926), (140, 135754963)]