19761320

素因数分解:

$2^3\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1823}}^1$

素因数の和:2105

約数の個数: 32

約数和(自身を含む): 44651520

約数和(自身を除く): 24890200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 271, 542, 1084, 1355, 1823, 2168, 2710, 3646, 5420, 7292, 9115, 10840, 14584, 18230, 36460, 72920, 494033, 988066, 1976132, 2470165, 3952264, 4940330, 9880660, 19761320]

約数ペア:

[(1, 19761320), (2, 9880660), (4, 4940330), (5, 3952264), (8, 2470165), (10, 1976132), (20, 988066), (40, 494033), (271, 72920), (542, 36460), (1084, 18230), (1355, 14584), (1823, 10840), (2168, 9115), (2710, 7292), (3646, 5420)]