19688115

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{383}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 33177600

約数和(自身を除く): 13489485

約数列:

[1, 3, 5, 15, 23, 69, 115, 149, 345, 383, 447, 745, 1149, 1915, 2235, 3427, 5745, 8809, 10281, 17135, 26427, 44045, 51405, 57067, 132135, 171201, 285335, 856005, 1312541, 3937623, 6562705, 19688115]

約数ペア:

[(1, 19688115), (3, 6562705), (5, 3937623), (15, 1312541), (23, 856005), (69, 285335), (115, 171201), (149, 132135), (345, 57067), (383, 51405), (447, 44045), (745, 26427), (1149, 17135), (1915, 10281), (2235, 8809), (3427, 5745)]