19811243872

素因数分解:

$2^5\times 7^1\times {\mathrm{277}}^1\times {\mathrm{319289}}^1$

素因数の和:319583

約数の個数: 48

約数和(自身を含む): 44736360480

約数和(自身を除く): 24925116608

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 277, 554, 1108, 1939, 2216, 3878, 4432, 7756, 8864, 15512, 31024, 62048, 319289, 638578, 1277156, 2235023, 2554312, 4470046, 5108624, 8940092, 10217248, 17880184, 35760368, 71520736, 88443053, 176886106, 353772212, 619101371, 707544424, 1238202742, 1415088848, 2476405484, 2830177696, 4952810968, 9905621936, 19811243872]

約数ペア:

[(1, 19811243872), (2, 9905621936), (4, 4952810968), (7, 2830177696), (8, 2476405484), (14, 1415088848), (16, 1238202742), (28, 707544424), (32, 619101371), (56, 353772212), (112, 176886106), (224, 88443053), (277, 71520736), (554, 35760368), (1108, 17880184), (1939, 10217248), (2216, 8940092), (3878, 5108624), (4432, 4470046), (7756, 2554312), (8864, 2235023), (15512, 1277156), (31024, 638578), (62048, 319289)]