19811470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{3877}}^1$

素因数の和:3964

約数の個数: 32

約数和(自身を含む): 41323968

約数和(自身を除く): 21512498

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2555, 3877, 5110, 7754, 19385, 27139, 38770, 54278, 135695, 271390, 283021, 566042, 1415105, 1981147, 2830210, 3962294, 9905735, 19811470]

約数ペア:

[(1, 19811470), (2, 9905735), (5, 3962294), (7, 2830210), (10, 1981147), (14, 1415105), (35, 566042), (70, 283021), (73, 271390), (146, 135695), (365, 54278), (511, 38770), (730, 27139), (1022, 19385), (2555, 7754), (3877, 5110)]