18194410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{809}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 35516880

約数和(自身を除く): 17322470

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 173, 346, 809, 865, 1618, 1730, 2249, 4045, 4498, 8090, 10517, 11245, 21034, 22490, 52585, 105170, 139957, 279914, 699785, 1399570, 1819441, 3638882, 9097205, 18194410]

約数ペア:

[(1, 18194410), (2, 9097205), (5, 3638882), (10, 1819441), (13, 1399570), (26, 699785), (65, 279914), (130, 139957), (173, 105170), (346, 52585), (809, 22490), (865, 21034), (1618, 11245), (1730, 10517), (2249, 8090), (4045, 4498)]