19710978

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15139}}^1$

素因数の和:15182

約数の個数: 32

約数和(自身を含む): 46510080

約数和(自身を除く): 26799102

約数列:

[1, 2, 3, 6, 7, 14, 21, 31, 42, 62, 93, 186, 217, 434, 651, 1302, 15139, 30278, 45417, 90834, 105973, 211946, 317919, 469309, 635838, 938618, 1407927, 2815854, 3285163, 6570326, 9855489, 19710978]

約数ペア:

[(1, 19710978), (2, 9855489), (3, 6570326), (6, 3285163), (7, 2815854), (14, 1407927), (21, 938618), (31, 635838), (42, 469309), (62, 317919), (93, 211946), (186, 105973), (217, 90834), (434, 45417), (651, 30278), (1302, 15139)]