18396987

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{929}}^1$

素因数の和:1003

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 11601093

約数列:

[1, 3, 7, 21, 23, 41, 69, 123, 161, 287, 483, 861, 929, 943, 2787, 2829, 6503, 6601, 19509, 19803, 21367, 38089, 64101, 114267, 149569, 266623, 448707, 799869, 876047, 2628141, 6132329, 18396987]

約数ペア:

[(1, 18396987), (3, 6132329), (7, 2628141), (21, 876047), (23, 799869), (41, 448707), (69, 266623), (123, 149569), (161, 114267), (287, 64101), (483, 38089), (861, 21367), (929, 19803), (943, 19509), (2787, 6601), (2829, 6503)]