18786345

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2273}}^1$

素因数の和:2329

約数の個数: 32

約数和(自身を含む): 32745600

約数和(自身を除く): 13959255

約数列:

[1, 3, 5, 15, 19, 29, 57, 87, 95, 145, 285, 435, 551, 1653, 2273, 2755, 6819, 8265, 11365, 34095, 43187, 65917, 129561, 197751, 215935, 329585, 647805, 988755, 1252423, 3757269, 6262115, 18786345]

約数ペア:

[(1, 18786345), (3, 6262115), (5, 3757269), (15, 1252423), (19, 988755), (29, 647805), (57, 329585), (87, 215935), (95, 197751), (145, 129561), (285, 65917), (435, 43187), (551, 34095), (1653, 11365), (2273, 8265), (2755, 6819)]