18989832978

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{265273}}^1$

素因数の和:265419

約数の個数: 48

約数和(自身を含む): 42582843576

約数和(自身を除く): 23593010598

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 97, 123, 194, 246, 291, 369, 582, 738, 873, 1746, 3977, 7954, 11931, 23862, 35793, 71586, 265273, 530546, 795819, 1591638, 2387457, 4774914, 10876193, 21752386, 25731481, 32628579, 51462962, 65257158, 77194443, 97885737, 154388886, 195771474, 231583329, 463166658, 1054990721, 2109981442, 3164972163, 6329944326, 9494916489, 18989832978]

約数ペア:

[(1, 18989832978), (2, 9494916489), (3, 6329944326), (6, 3164972163), (9, 2109981442), (18, 1054990721), (41, 463166658), (82, 231583329), (97, 195771474), (123, 154388886), (194, 97885737), (246, 77194443), (291, 65257158), (369, 51462962), (582, 32628579), (738, 25731481), (873, 21752386), (1746, 10876193), (3977, 4774914), (7954, 2387457), (11931, 1591638), (23862, 795819), (35793, 530546), (71586, 265273)]