18341323

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{251}}^1$

素因数の和:355

約数の個数: 32

約数和(自身を含む): 25062912

約数和(自身を除く): 6721589

約数列:

[1, 7, 11, 13, 73, 77, 91, 143, 251, 511, 803, 949, 1001, 1757, 2761, 3263, 5621, 6643, 10439, 18323, 19327, 22841, 35893, 73073, 128261, 201553, 238199, 251251, 1410871, 1667393, 2620189, 18341323]

約数ペア:

[(1, 18341323), (7, 2620189), (11, 1667393), (13, 1410871), (73, 251251), (77, 238199), (91, 201553), (143, 128261), (251, 73073), (511, 35893), (803, 22841), (949, 19327), (1001, 18323), (1757, 10439), (2761, 6643), (3263, 5621)]