18401823

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1087}}^1$

素因数の和:1129

約数の個数: 40

約数和(自身を含む): 31595520

約数和(自身を除く): 13193697

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 891, 1087, 1539, 1881, 3261, 5643, 9783, 11957, 16929, 20653, 29349, 35871, 61959, 88047, 107613, 185877, 227183, 322839, 557631, 681549, 968517, 1672893, 2044647, 6133941, 18401823]

約数ペア:

[(1, 18401823), (3, 6133941), (9, 2044647), (11, 1672893), (19, 968517), (27, 681549), (33, 557631), (57, 322839), (81, 227183), (99, 185877), (171, 107613), (209, 88047), (297, 61959), (513, 35871), (627, 29349), (891, 20653), (1087, 16929), (1539, 11957), (1881, 9783), (3261, 5643)]