18521003

素因数分解:

${\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:434

約数の個数: 16

約数和(自身を含む): 20165376

約数和(自身を除く): 1644373

約数列:

[1, 23, 43, 61, 307, 989, 1403, 2623, 7061, 13201, 18727, 60329, 303623, 430721, 805261, 18521003]

約数ペア:

[(1, 18521003), (23, 805261), (43, 430721), (61, 303623), (307, 60329), (989, 18727), (1403, 13201), (2623, 7061)]