19965510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2287}}^1$

素因数の和:2397

約数の個数: 48

約数和(自身を含む): 52468416

約数和(自身を除く): 32502906

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 97, 194, 291, 485, 582, 873, 970, 1455, 1746, 2287, 2910, 4365, 4574, 6861, 8730, 11435, 13722, 20583, 22870, 34305, 41166, 68610, 102915, 205830, 221839, 443678, 665517, 1109195, 1331034, 1996551, 2218390, 3327585, 3993102, 6655170, 9982755, 19965510]

約数ペア:

[(1, 19965510), (2, 9982755), (3, 6655170), (5, 3993102), (6, 3327585), (9, 2218390), (10, 1996551), (15, 1331034), (18, 1109195), (30, 665517), (45, 443678), (90, 221839), (97, 205830), (194, 102915), (291, 68610), (485, 41166), (582, 34305), (873, 22870), (970, 20583), (1455, 13722), (1746, 11435), (2287, 8730), (2910, 6861), (4365, 4574)]