19300275

素因数分解:

$3^7\times 5^2\times {\mathrm{353}}^1$

素因数の和:384

約数の個数: 48

約数和(自身を含む): 35994720

約数和(自身を除く): 16694445

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 243, 353, 405, 675, 729, 1059, 1215, 1765, 2025, 2187, 3177, 3645, 5295, 6075, 8825, 9531, 10935, 15885, 18225, 26475, 28593, 47655, 54675, 79425, 85779, 142965, 238275, 257337, 428895, 714825, 772011, 1286685, 2144475, 3860055, 6433425, 19300275]

約数ペア:

[(1, 19300275), (3, 6433425), (5, 3860055), (9, 2144475), (15, 1286685), (25, 772011), (27, 714825), (45, 428895), (75, 257337), (81, 238275), (135, 142965), (225, 85779), (243, 79425), (353, 54675), (405, 47655), (675, 28593), (729, 26475), (1059, 18225), (1215, 15885), (1765, 10935), (2025, 9531), (2187, 8825), (3177, 6075), (3645, 5295)]