19658898

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{719}}^1$

素因数の和:772

約数の個数: 72

約数和(自身を含む): 51217920

約数和(自身を除く): 31559022

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 93, 98, 126, 147, 186, 217, 279, 294, 434, 441, 558, 651, 719, 882, 1302, 1438, 1519, 1953, 2157, 3038, 3906, 4314, 4557, 5033, 6471, 9114, 10066, 12942, 13671, 15099, 22289, 27342, 30198, 35231, 44578, 45297, 66867, 70462, 90594, 105693, 133734, 156023, 200601, 211386, 312046, 317079, 401202, 468069, 634158, 936138, 1092161, 1404207, 2184322, 2808414, 3276483, 6552966, 9829449, 19658898]

約数ペア:

[(1, 19658898), (2, 9829449), (3, 6552966), (6, 3276483), (7, 2808414), (9, 2184322), (14, 1404207), (18, 1092161), (21, 936138), (31, 634158), (42, 468069), (49, 401202), (62, 317079), (63, 312046), (93, 211386), (98, 200601), (126, 156023), (147, 133734), (186, 105693), (217, 90594), (279, 70462), (294, 66867), (434, 45297), (441, 44578), (558, 35231), (651, 30198), (719, 27342), (882, 22289), (1302, 15099), (1438, 13671), (1519, 12942), (1953, 10066), (2157, 9114), (3038, 6471), (3906, 5033), (4314, 4557)]