19902006108

素因数分解:

$2^2\times 3^2\times {\mathrm{109}}^1\times {\mathrm{2161}}^1\times {\mathrm{2347}}^1$

素因数の和:4627

約数の個数: 72

約数和(自身を含む): 50814523760

約数和(自身を除く): 30912517652

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 109, 218, 327, 436, 654, 981, 1308, 1962, 2161, 2347, 3924, 4322, 4694, 6483, 7041, 8644, 9388, 12966, 14082, 19449, 21123, 25932, 28164, 38898, 42246, 77796, 84492, 235549, 255823, 471098, 511646, 706647, 767469, 942196, 1023292, 1413294, 1534938, 2119941, 2302407, 2826588, 3069876, 4239882, 4604814, 5071867, 8479764, 9209628, 10143734, 15215601, 20287468, 30431202, 45646803, 60862404, 91293606, 182587212, 552833503, 1105667006, 1658500509, 2211334012, 3317001018, 4975501527, 6634002036, 9951003054, 19902006108]

約数ペア:

[(1, 19902006108), (2, 9951003054), (3, 6634002036), (4, 4975501527), (6, 3317001018), (9, 2211334012), (12, 1658500509), (18, 1105667006), (36, 552833503), (109, 182587212), (218, 91293606), (327, 60862404), (436, 45646803), (654, 30431202), (981, 20287468), (1308, 15215601), (1962, 10143734), (2161, 9209628), (2347, 8479764), (3924, 5071867), (4322, 4604814), (4694, 4239882), (6483, 3069876), (7041, 2826588), (8644, 2302407), (9388, 2119941), (12966, 1534938), (14082, 1413294), (19449, 1023292), (21123, 942196), (25932, 767469), (28164, 706647), (38898, 511646), (42246, 471098), (77796, 255823), (84492, 235549)]