19966883685

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{1213}}^1$

素因数の和:1507

約数の個数: 128

約数和(自身を含む): 39680901120

約数和(自身を除く): 19714017435

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 37, 57, 95, 105, 111, 133, 185, 223, 259, 285, 399, 555, 665, 669, 703, 777, 1115, 1213, 1295, 1561, 1995, 2109, 3345, 3515, 3639, 3885, 4237, 4683, 4921, 6065, 7805, 8251, 8491, 10545, 12711, 14763, 18195, 21185, 23047, 23415, 24605, 24753, 25473, 29659, 41255, 42455, 44881, 57757, 63555, 69141, 73815, 88977, 115235, 123765, 127365, 134643, 148295, 156769, 161329, 173271, 224405, 270499, 288785, 314167, 345705, 444885, 470307, 483987, 673215, 783845, 806645, 811497, 852739, 866355, 942501, 1097383, 1352495, 1570835, 1893493, 2351535, 2419935, 2558217, 3292149, 4057485, 4263695, 4712505, 5139481, 5486915, 5680479, 5969173, 9467465, 10008463, 12791085, 15418443, 16460745, 17907519, 25697405, 28402395, 29845865, 30025389, 35976367, 50042315, 70059241, 77092215, 89537595, 107929101, 150126945, 179881835, 190160797, 210177723, 350296205, 539645505, 570482391, 950803985, 1050888615, 1331125579, 2852411955, 3993376737, 6655627895, 19966883685]

約数ペア:

[(1, 19966883685), (3, 6655627895), (5, 3993376737), (7, 2852411955), (15, 1331125579), (19, 1050888615), (21, 950803985), (35, 570482391), (37, 539645505), (57, 350296205), (95, 210177723), (105, 190160797), (111, 179881835), (133, 150126945), (185, 107929101), (223, 89537595), (259, 77092215), (285, 70059241), (399, 50042315), (555, 35976367), (665, 30025389), (669, 29845865), (703, 28402395), (777, 25697405), (1115, 17907519), (1213, 16460745), (1295, 15418443), (1561, 12791085), (1995, 10008463), (2109, 9467465), (3345, 5969173), (3515, 5680479), (3639, 5486915), (3885, 5139481), (4237, 4712505), (4683, 4263695), (4921, 4057485), (6065, 3292149), (7805, 2558217), (8251, 2419935), (8491, 2351535), (10545, 1893493), (12711, 1570835), (14763, 1352495), (18195, 1097383), (21185, 942501), (23047, 866355), (23415, 852739), (24605, 811497), (24753, 806645), (25473, 783845), (29659, 673215), (41255, 483987), (42455, 470307), (44881, 444885), (57757, 345705), (63555, 314167), (69141, 288785), (73815, 270499), (88977, 224405), (115235, 173271), (123765, 161329), (127365, 156769), (134643, 148295)]