19515650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 46818432

約数和(自身を除く): 27302782

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 35, 37, 50, 55, 70, 74, 77, 110, 137, 154, 175, 185, 259, 274, 275, 350, 370, 385, 407, 518, 550, 685, 770, 814, 925, 959, 1295, 1370, 1507, 1850, 1918, 1925, 2035, 2590, 2849, 3014, 3425, 3850, 4070, 4795, 5069, 5698, 6475, 6850, 7535, 9590, 10138, 10175, 10549, 12950, 14245, 15070, 20350, 21098, 23975, 25345, 28490, 35483, 37675, 47950, 50690, 52745, 55759, 70966, 71225, 75350, 105490, 111518, 126725, 142450, 177415, 253450, 263725, 278795, 354830, 390313, 527450, 557590, 780626, 887075, 1393975, 1774150, 1951565, 2787950, 3903130, 9757825, 19515650]

約数ペア:

[(1, 19515650), (2, 9757825), (5, 3903130), (7, 2787950), (10, 1951565), (11, 1774150), (14, 1393975), (22, 887075), (25, 780626), (35, 557590), (37, 527450), (50, 390313), (55, 354830), (70, 278795), (74, 263725), (77, 253450), (110, 177415), (137, 142450), (154, 126725), (175, 111518), (185, 105490), (259, 75350), (274, 71225), (275, 70966), (350, 55759), (370, 52745), (385, 50690), (407, 47950), (518, 37675), (550, 35483), (685, 28490), (770, 25345), (814, 23975), (925, 21098), (959, 20350), (1295, 15070), (1370, 14245), (1507, 12950), (1850, 10549), (1918, 10175), (1925, 10138), (2035, 9590), (2590, 7535), (2849, 6850), (3014, 6475), (3425, 5698), (3850, 5069), (4070, 4795)]