19948915

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:307

約数の個数: 32

約数和(自身を含む): 28514304

約数和(自身を除く): 8565389

約数列:

[1, 5, 7, 35, 47, 67, 181, 235, 329, 335, 469, 905, 1267, 1645, 2345, 3149, 6335, 8507, 12127, 15745, 22043, 42535, 59549, 60635, 84889, 110215, 297745, 424445, 569969, 2849845, 3989783, 19948915]

約数ペア:

[(1, 19948915), (5, 3989783), (7, 2849845), (35, 569969), (47, 424445), (67, 297745), (181, 110215), (235, 84889), (329, 60635), (335, 59549), (469, 42535), (905, 22043), (1267, 15745), (1645, 12127), (2345, 8507), (3149, 6335)]