18436691021

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{463}}^1\times {\mathrm{1907}}^1$

素因数の和:2553

約数の個数: 32

約数和(自身を含む): 22380687360

約数和(自身を除く): 3943996339

約数列:

[1, 7, 19, 133, 157, 463, 1099, 1907, 2983, 3241, 8797, 13349, 20881, 36233, 61579, 72691, 253631, 299399, 508837, 882941, 1381129, 2095793, 5688581, 6180587, 9667903, 16775879, 39820067, 117431153, 138621737, 970352159, 2633813003, 18436691021]

約数ペア:

[(1, 18436691021), (7, 2633813003), (19, 970352159), (133, 138621737), (157, 117431153), (463, 39820067), (1099, 16775879), (1907, 9667903), (2983, 6180587), (3241, 5688581), (8797, 2095793), (13349, 1381129), (20881, 882941), (36233, 508837), (61579, 299399), (72691, 253631)]