18693666

素因数分解:

$2^1\times 3^4\times {\mathrm{257}}^1\times {\mathrm{449}}^1$

素因数の和:720

約数の個数: 40

約数和(自身を含む): 42144300

約数和(自身を除く): 23450634

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 257, 449, 514, 771, 898, 1347, 1542, 2313, 2694, 4041, 4626, 6939, 8082, 12123, 13878, 20817, 24246, 36369, 41634, 72738, 115393, 230786, 346179, 692358, 1038537, 2077074, 3115611, 6231222, 9346833, 18693666]

約数ペア:

[(1, 18693666), (2, 9346833), (3, 6231222), (6, 3115611), (9, 2077074), (18, 1038537), (27, 692358), (54, 346179), (81, 230786), (162, 115393), (257, 72738), (449, 41634), (514, 36369), (771, 24246), (898, 20817), (1347, 13878), (1542, 12123), (2313, 8082), (2694, 6939), (4041, 4626)]