18980964

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{18181}}^1$

素因数の和:18220

約数の個数: 36

約数和(自身を含む): 49636860

約数和(自身を除く): 30655896

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 348, 522, 1044, 18181, 36362, 54543, 72724, 109086, 163629, 218172, 327258, 527249, 654516, 1054498, 1581747, 2108996, 3163494, 4745241, 6326988, 9490482, 18980964]

約数ペア:

[(1, 18980964), (2, 9490482), (3, 6326988), (4, 4745241), (6, 3163494), (9, 2108996), (12, 1581747), (18, 1054498), (29, 654516), (36, 527249), (58, 327258), (87, 218172), (116, 163629), (174, 109086), (261, 72724), (348, 54543), (522, 36362), (1044, 18181)]