18797415

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{293}}^1$

素因数の和:368

約数の個数: 64

約数和(自身を含む): 37933056

約数和(自身を除く): 19135641

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 47, 65, 91, 105, 141, 195, 235, 273, 293, 329, 455, 611, 705, 879, 987, 1365, 1465, 1645, 1833, 2051, 3055, 3809, 4277, 4395, 4935, 6153, 9165, 10255, 11427, 12831, 13771, 19045, 21385, 26663, 30765, 41313, 57135, 64155, 68855, 79989, 96397, 133315, 179023, 206565, 289191, 399945, 481985, 537069, 895115, 1253161, 1445955, 2685345, 3759483, 6265805, 18797415]

約数ペア:

[(1, 18797415), (3, 6265805), (5, 3759483), (7, 2685345), (13, 1445955), (15, 1253161), (21, 895115), (35, 537069), (39, 481985), (47, 399945), (65, 289191), (91, 206565), (105, 179023), (141, 133315), (195, 96397), (235, 79989), (273, 68855), (293, 64155), (329, 57135), (455, 41313), (611, 30765), (705, 26663), (879, 21385), (987, 19045), (1365, 13771), (1465, 12831), (1645, 11427), (1833, 10255), (2051, 9165), (3055, 6153), (3809, 4935), (4277, 4395)]