20189165084

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{16759}}^1$

素因数の和:16935

約数の個数: 72

約数和(自身を含む): 41193398400

約数和(自身を除く): 21004233316

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 121, 131, 209, 242, 262, 418, 484, 524, 836, 1441, 2299, 2489, 2882, 4598, 4978, 5764, 9196, 9956, 15851, 16759, 27379, 31702, 33518, 54758, 63404, 67036, 109516, 184349, 301169, 318421, 368698, 602338, 636842, 737396, 1204676, 1273684, 2027839, 2195429, 3502631, 4055678, 4390858, 7005262, 8111356, 8781716, 14010524, 24149719, 38528941, 41713151, 48299438, 77057882, 83426302, 96598876, 154115764, 166852604, 265646909, 458844661, 531293818, 917689322, 1062587636, 1835378644, 5047291271, 10094582542, 20189165084]

約数ペア:

[(1, 20189165084), (2, 10094582542), (4, 5047291271), (11, 1835378644), (19, 1062587636), (22, 917689322), (38, 531293818), (44, 458844661), (76, 265646909), (121, 166852604), (131, 154115764), (209, 96598876), (242, 83426302), (262, 77057882), (418, 48299438), (484, 41713151), (524, 38528941), (836, 24149719), (1441, 14010524), (2299, 8781716), (2489, 8111356), (2882, 7005262), (4598, 4390858), (4978, 4055678), (5764, 3502631), (9196, 2195429), (9956, 2027839), (15851, 1273684), (16759, 1204676), (27379, 737396), (31702, 636842), (33518, 602338), (54758, 368698), (63404, 318421), (67036, 301169), (109516, 184349)]