19388895505

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{2081}}^1\times {\mathrm{2237}}^1$

素因数の和:4354

約数の個数: 48

約数和(自身を含む): 28683980496

約数和(自身を除く): 9295084991

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 595, 833, 2081, 2237, 4165, 10405, 11185, 14567, 15659, 35377, 38029, 72835, 78295, 101969, 109613, 176885, 190145, 247639, 266203, 509845, 548065, 1238195, 1331015, 1733473, 1863421, 4655197, 8667365, 9317105, 23275985, 32586379, 79138349, 162931895, 228104653, 395691745, 553968443, 1140523265, 2769842215, 3877779101, 19388895505]

約数ペア:

[(1, 19388895505), (5, 3877779101), (7, 2769842215), (17, 1140523265), (35, 553968443), (49, 395691745), (85, 228104653), (119, 162931895), (245, 79138349), (595, 32586379), (833, 23275985), (2081, 9317105), (2237, 8667365), (4165, 4655197), (10405, 1863421), (11185, 1733473), (14567, 1331015), (15659, 1238195), (35377, 548065), (38029, 509845), (72835, 266203), (78295, 247639), (101969, 190145), (109613, 176885)]