18355869

素因数分解:

$3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:259

約数の個数: 64

約数和(自身を含む): 34214400

約数和(自身を除く): 15858531

約数列:

[1, 3, 7, 9, 17, 21, 27, 29, 51, 63, 87, 119, 153, 189, 197, 203, 261, 357, 459, 493, 591, 609, 783, 1071, 1379, 1479, 1773, 1827, 3213, 3349, 3451, 4137, 4437, 5319, 5481, 5713, 10047, 10353, 12411, 13311, 17139, 23443, 30141, 31059, 37233, 39991, 51417, 70329, 90423, 93177, 97121, 119973, 154251, 210987, 291363, 359919, 632961, 679847, 874089, 1079757, 2039541, 2622267, 6118623, 18355869]

約数ペア:

[(1, 18355869), (3, 6118623), (7, 2622267), (9, 2039541), (17, 1079757), (21, 874089), (27, 679847), (29, 632961), (51, 359919), (63, 291363), (87, 210987), (119, 154251), (153, 119973), (189, 97121), (197, 93177), (203, 90423), (261, 70329), (357, 51417), (459, 39991), (493, 37233), (591, 31059), (609, 30141), (783, 23443), (1071, 17139), (1379, 13311), (1479, 12411), (1773, 10353), (1827, 10047), (3213, 5713), (3349, 5481), (3451, 5319), (4137, 4437)]