19468995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{839}}^1$

素因数の和:884

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 21173565

約数列:

[1, 3, 5, 7, 13, 15, 17, 21, 35, 39, 51, 65, 85, 91, 105, 119, 195, 221, 255, 273, 357, 455, 595, 663, 839, 1105, 1365, 1547, 1785, 2517, 3315, 4195, 4641, 5873, 7735, 10907, 12585, 14263, 17619, 23205, 29365, 32721, 42789, 54535, 71315, 76349, 88095, 99841, 163605, 185419, 213945, 229047, 299523, 381745, 499205, 556257, 927095, 1145235, 1297933, 1497615, 2781285, 3893799, 6489665, 19468995]

約数ペア:

[(1, 19468995), (3, 6489665), (5, 3893799), (7, 2781285), (13, 1497615), (15, 1297933), (17, 1145235), (21, 927095), (35, 556257), (39, 499205), (51, 381745), (65, 299523), (85, 229047), (91, 213945), (105, 185419), (119, 163605), (195, 99841), (221, 88095), (255, 76349), (273, 71315), (357, 54535), (455, 42789), (595, 32721), (663, 29365), (839, 23205), (1105, 17619), (1365, 14263), (1547, 12585), (1785, 10907), (2517, 7735), (3315, 5873), (4195, 4641)]