19619658

素因数分解:

$2^1\times 3^4\times {\mathrm{163}}^1\times {\mathrm{743}}^1$

素因数の和:920

約数の個数: 40

約数和(自身を含む): 44291808

約数和(自身を除く): 24672150

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 163, 326, 489, 743, 978, 1467, 1486, 2229, 2934, 4401, 4458, 6687, 8802, 13203, 13374, 20061, 26406, 40122, 60183, 120366, 121109, 242218, 363327, 726654, 1089981, 2179962, 3269943, 6539886, 9809829, 19619658]

約数ペア:

[(1, 19619658), (2, 9809829), (3, 6539886), (6, 3269943), (9, 2179962), (18, 1089981), (27, 726654), (54, 363327), (81, 242218), (162, 121109), (163, 120366), (326, 60183), (489, 40122), (743, 26406), (978, 20061), (1467, 13374), (1486, 13203), (2229, 8802), (2934, 6687), (4401, 4458)]