18584223

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1067

約数の個数: 32

約数和(自身を含む): 30474240

約数和(自身を除く): 11890017

約数列:

[1, 3, 7, 19, 21, 47, 57, 133, 141, 329, 399, 893, 987, 991, 2679, 2973, 6251, 6937, 18753, 18829, 20811, 46577, 56487, 131803, 139731, 326039, 395409, 884963, 978117, 2654889, 6194741, 18584223]

約数ペア:

[(1, 18584223), (3, 6194741), (7, 2654889), (19, 978117), (21, 884963), (47, 395409), (57, 326039), (133, 139731), (141, 131803), (329, 56487), (399, 46577), (893, 20811), (987, 18829), (991, 18753), (2679, 6937), (2973, 6251)]