18225890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:866

約数の個数: 32

約数和(自身を含む): 34594560

約数和(自身を除く): 16368670

約数列:

[1, 2, 5, 10, 23, 46, 109, 115, 218, 230, 545, 727, 1090, 1454, 2507, 3635, 5014, 7270, 12535, 16721, 25070, 33442, 79243, 83605, 158486, 167210, 396215, 792430, 1822589, 3645178, 9112945, 18225890]

約数ペア:

[(1, 18225890), (2, 9112945), (5, 3645178), (10, 1822589), (23, 792430), (46, 396215), (109, 167210), (115, 158486), (218, 83605), (230, 79243), (545, 33442), (727, 25070), (1090, 16721), (1454, 12535), (2507, 7270), (3635, 5014)]