18487690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{2003}}^1$

素因数の和:2094

約数の個数: 32

約数和(自身を含む): 36360576

約数和(自身を除く): 17872886

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 355, 710, 923, 1846, 2003, 4006, 4615, 9230, 10015, 20030, 26039, 52078, 130195, 142213, 260390, 284426, 711065, 1422130, 1848769, 3697538, 9243845, 18487690]

約数ペア:

[(1, 18487690), (2, 9243845), (5, 3697538), (10, 1848769), (13, 1422130), (26, 711065), (65, 284426), (71, 260390), (130, 142213), (142, 130195), (355, 52078), (710, 26039), (923, 20030), (1846, 10015), (2003, 9230), (4006, 4615)]