18741105

素因数分解:

$3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{4787}}^1$

素因数の和:4830

約数の個数: 32

約数和(自身を含む): 34473600

約数和(自身を除く): 15732495

約数列:

[1, 3, 5, 9, 15, 27, 29, 45, 87, 135, 145, 261, 435, 783, 1305, 3915, 4787, 14361, 23935, 43083, 71805, 129249, 138823, 215415, 416469, 646245, 694115, 1249407, 2082345, 3748221, 6247035, 18741105]

約数ペア:

[(1, 18741105), (3, 6247035), (5, 3748221), (9, 2082345), (15, 1249407), (27, 694115), (29, 646245), (45, 416469), (87, 215415), (135, 138823), (145, 129249), (261, 71805), (435, 43083), (783, 23935), (1305, 14361), (3915, 4787)]