18739431

素因数分解:

$3^5\times {\mathrm{67}}^1\times {\mathrm{1151}}^1$

素因数の和:1233

約数の個数: 24

約数和(自身を含む): 28514304

約数和(自身を除く): 9774873

約数列:

[1, 3, 9, 27, 67, 81, 201, 243, 603, 1151, 1809, 3453, 5427, 10359, 16281, 31077, 77117, 93231, 231351, 279693, 694053, 2082159, 6246477, 18739431]

約数ペア:

[(1, 18739431), (3, 6246477), (9, 2082159), (27, 694053), (67, 279693), (81, 231351), (201, 93231), (243, 77117), (603, 31077), (1151, 16281), (1809, 10359), (3453, 5427)]