19680552

素因数分解:

$2^3\times 3^2\times {\mathrm{61}}^1\times {\mathrm{4481}}^1$

素因数の和:4554

約数の個数: 48

約数和(自身を含む): 54187380

約数和(自身を除く): 34506828

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 61, 72, 122, 183, 244, 366, 488, 549, 732, 1098, 1464, 2196, 4392, 4481, 8962, 13443, 17924, 26886, 35848, 40329, 53772, 80658, 107544, 161316, 273341, 322632, 546682, 820023, 1093364, 1640046, 2186728, 2460069, 3280092, 4920138, 6560184, 9840276, 19680552]

約数ペア:

[(1, 19680552), (2, 9840276), (3, 6560184), (4, 4920138), (6, 3280092), (8, 2460069), (9, 2186728), (12, 1640046), (18, 1093364), (24, 820023), (36, 546682), (61, 322632), (72, 273341), (122, 161316), (183, 107544), (244, 80658), (366, 53772), (488, 40329), (549, 35848), (732, 26886), (1098, 17924), (1464, 13443), (2196, 8962), (4392, 4481)]