19680946180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{785353}}^1$

素因数の和:785548

約数の個数: 48

約数和(自身を含む): 47498209920

約数和(自身を除く): 27817263740

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 179, 358, 716, 895, 1253, 1790, 2506, 3580, 5012, 6265, 12530, 25060, 785353, 1570706, 3141412, 3926765, 5497471, 7853530, 10994942, 15707060, 21989884, 27487355, 54974710, 109949420, 140578187, 281156374, 562312748, 702890935, 984047309, 1405781870, 1968094618, 2811563740, 3936189236, 4920236545, 9840473090, 19680946180]

約数ペア:

[(1, 19680946180), (2, 9840473090), (4, 4920236545), (5, 3936189236), (7, 2811563740), (10, 1968094618), (14, 1405781870), (20, 984047309), (28, 702890935), (35, 562312748), (70, 281156374), (140, 140578187), (179, 109949420), (358, 54974710), (716, 27487355), (895, 21989884), (1253, 15707060), (1790, 10994942), (2506, 7853530), (3580, 5497471), (5012, 3926765), (6265, 3141412), (12530, 1570706), (25060, 785353)]