20190123213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{109751}}^1$

素因数の和:109909

約数の個数: 32

約数和(自身を含む): 29870104320

約数和(自身を除く): 9679981107

約数列:

[1, 3, 13, 39, 53, 89, 159, 267, 689, 1157, 2067, 3471, 4717, 14151, 61321, 109751, 183963, 329253, 1426763, 4280289, 5816803, 9767839, 17450409, 29303517, 75618439, 126981907, 226855317, 380945721, 517695467, 1553086401, 6730041071, 20190123213]

約数ペア:

[(1, 20190123213), (3, 6730041071), (13, 1553086401), (39, 517695467), (53, 380945721), (89, 226855317), (159, 126981907), (267, 75618439), (689, 29303517), (1157, 17450409), (2067, 9767839), (3471, 5816803), (4717, 4280289), (14151, 1426763), (61321, 329253), (109751, 183963)]