18919939682

素因数分解:

$2^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{520379}}^1$

素因数の和:520455

約数の個数: 32

約数和(自身を含む): 33720624000

約数和(自身を除く): 14800684318

約数列:

[1, 2, 7, 14, 49, 53, 98, 106, 343, 371, 686, 742, 2597, 5194, 18179, 36358, 520379, 1040758, 3642653, 7285306, 25498571, 27580087, 50997142, 55160174, 178489997, 193060609, 356979994, 386121218, 1351424263, 2702848526, 9459969841, 18919939682]

約数ペア:

[(1, 18919939682), (2, 9459969841), (7, 2702848526), (14, 1351424263), (49, 386121218), (53, 356979994), (98, 193060609), (106, 178489997), (343, 55160174), (371, 50997142), (686, 27580087), (742, 25498571), (2597, 7285306), (5194, 3642653), (18179, 1040758), (36358, 520379)]