18745803

素因数分解:

$3^3\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{269}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 29160000

約数和(自身を除く): 10414197

約数列:

[1, 3, 9, 27, 29, 87, 89, 261, 267, 269, 783, 801, 807, 2403, 2421, 2581, 7263, 7743, 7801, 23229, 23403, 23941, 69687, 70209, 71823, 210627, 215469, 646407, 694289, 2082867, 6248601, 18745803]

約数ペア:

[(1, 18745803), (3, 6248601), (9, 2082867), (27, 694289), (29, 646407), (87, 215469), (89, 210627), (261, 71823), (267, 70209), (269, 69687), (783, 23941), (801, 23403), (807, 23229), (2403, 7801), (2421, 7743), (2581, 7263)]