17939821965

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{311}}^1\times {\mathrm{17401}}^1$

素因数の和:17750

約数の個数: 64

約数和(自身を含む): 32837156352

約数和(自身を除く): 14897334387

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 195, 221, 255, 311, 663, 933, 1105, 1555, 3315, 4043, 4665, 5287, 12129, 15861, 17401, 20215, 26435, 52203, 60645, 68731, 79305, 87005, 206193, 226213, 261015, 295817, 343655, 678639, 887451, 1030965, 1131065, 1479085, 3393195, 3845621, 4437255, 5411711, 11536863, 16235133, 19228105, 27058555, 57684315, 70352243, 81175665, 91999087, 211056729, 275997261, 351761215, 459995435, 1055283645, 1195988131, 1379986305, 3587964393, 5979940655, 17939821965]

約数ペア:

[(1, 17939821965), (3, 5979940655), (5, 3587964393), (13, 1379986305), (15, 1195988131), (17, 1055283645), (39, 459995435), (51, 351761215), (65, 275997261), (85, 211056729), (195, 91999087), (221, 81175665), (255, 70352243), (311, 57684315), (663, 27058555), (933, 19228105), (1105, 16235133), (1555, 11536863), (3315, 5411711), (4043, 4437255), (4665, 3845621), (5287, 3393195), (12129, 1479085), (15861, 1131065), (17401, 1030965), (20215, 887451), (26435, 678639), (52203, 343655), (60645, 295817), (68731, 261015), (79305, 226213), (87005, 206193)]