19752460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10853}}^1$

素因数の和:10882

約数の個数: 48

約数和(自身を含む): 51057216

約数和(自身を除く): 31304756

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10853, 21706, 43412, 54265, 75971, 108530, 141089, 151942, 217060, 282178, 303884, 379855, 564356, 705445, 759710, 987623, 1410890, 1519420, 1975246, 2821780, 3950492, 4938115, 9876230, 19752460]

約数ペア:

[(1, 19752460), (2, 9876230), (4, 4938115), (5, 3950492), (7, 2821780), (10, 1975246), (13, 1519420), (14, 1410890), (20, 987623), (26, 759710), (28, 705445), (35, 564356), (52, 379855), (65, 303884), (70, 282178), (91, 217060), (130, 151942), (140, 141089), (182, 108530), (260, 75971), (364, 54265), (455, 43412), (910, 21706), (1820, 10853)]