19828095

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:584

約数の個数: 48

約数和(自身を含む): 37674720

約数和(自身を除く): 17846625

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 53, 105, 147, 159, 245, 265, 371, 509, 735, 795, 1113, 1527, 1855, 2545, 2597, 3563, 5565, 7635, 7791, 10689, 12985, 17815, 24941, 26977, 38955, 53445, 74823, 80931, 124705, 134885, 188839, 374115, 404655, 566517, 944195, 1321873, 2832585, 3965619, 6609365, 19828095]

約数ペア:

[(1, 19828095), (3, 6609365), (5, 3965619), (7, 2832585), (15, 1321873), (21, 944195), (35, 566517), (49, 404655), (53, 374115), (105, 188839), (147, 134885), (159, 124705), (245, 80931), (265, 74823), (371, 53445), (509, 38955), (735, 26977), (795, 24941), (1113, 17815), (1527, 12985), (1855, 10689), (2545, 7791), (2597, 7635), (3563, 5565)]