19129845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{1531}}^1$

素因数の和:1570

約数の個数: 48

約数和(自身を含む): 37723968

約数和(自身を除く): 18594123

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 357, 595, 735, 833, 1531, 1785, 2499, 4165, 4593, 7655, 10717, 12495, 22965, 26027, 32151, 53585, 75019, 78081, 130135, 160755, 182189, 225057, 375095, 390405, 546567, 910945, 1125285, 1275323, 2732835, 3825969, 6376615, 19129845]

約数ペア:

[(1, 19129845), (3, 6376615), (5, 3825969), (7, 2732835), (15, 1275323), (17, 1125285), (21, 910945), (35, 546567), (49, 390405), (51, 375095), (85, 225057), (105, 182189), (119, 160755), (147, 130135), (245, 78081), (255, 75019), (357, 53585), (595, 32151), (735, 26027), (833, 22965), (1531, 12495), (1785, 10717), (2499, 7655), (4165, 4593)]