18227690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4523}}^1$

素因数の和:4574

約数の個数: 32

約数和(自身を含む): 36481536

約数和(自身を除く): 18253846

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 4523, 9046, 22615, 45230, 58799, 117598, 140213, 280426, 293995, 587990, 701065, 1402130, 1822769, 3645538, 9113845, 18227690]

約数ペア:

[(1, 18227690), (2, 9113845), (5, 3645538), (10, 1822769), (13, 1402130), (26, 701065), (31, 587990), (62, 293995), (65, 280426), (130, 140213), (155, 117598), (310, 58799), (403, 45230), (806, 22615), (2015, 9046), (4030, 4523)]