19986999084

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{585031}}^1$

素因数の和:585127

約数の個数: 72

約数和(自身を含む): 55154476832

約数和(自身を除く): 35167477748

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 657, 876, 949, 1314, 1898, 2628, 2847, 3796, 5694, 8541, 11388, 17082, 34164, 585031, 1170062, 1755093, 2340124, 3510186, 5265279, 7020372, 7605403, 10530558, 15210806, 21061116, 22816209, 30421612, 42707263, 45632418, 68448627, 85414526, 91264836, 128121789, 136897254, 170829052, 256243578, 273794508, 384365367, 512487156, 555194419, 768730734, 1110388838, 1537461468, 1665583257, 2220777676, 3331166514, 4996749771, 6662333028, 9993499542, 19986999084]

約数ペア:

[(1, 19986999084), (2, 9993499542), (3, 6662333028), (4, 4996749771), (6, 3331166514), (9, 2220777676), (12, 1665583257), (13, 1537461468), (18, 1110388838), (26, 768730734), (36, 555194419), (39, 512487156), (52, 384365367), (73, 273794508), (78, 256243578), (117, 170829052), (146, 136897254), (156, 128121789), (219, 91264836), (234, 85414526), (292, 68448627), (438, 45632418), (468, 42707263), (657, 30421612), (876, 22816209), (949, 21061116), (1314, 15210806), (1898, 10530558), (2628, 7605403), (2847, 7020372), (3796, 5265279), (5694, 3510186), (8541, 2340124), (11388, 1755093), (17082, 1170062), (34164, 585031)]