19989342

素因数分解:

$2^1\times 3^4\times {\mathrm{163}}^1\times {\mathrm{757}}^1$

素因数の和:934

約数の個数: 40

約数和(自身を含む): 45125256

約数和(自身を除く): 25135914

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 163, 326, 489, 757, 978, 1467, 1514, 2271, 2934, 4401, 4542, 6813, 8802, 13203, 13626, 20439, 26406, 40878, 61317, 122634, 123391, 246782, 370173, 740346, 1110519, 2221038, 3331557, 6663114, 9994671, 19989342]

約数ペア:

[(1, 19989342), (2, 9994671), (3, 6663114), (6, 3331557), (9, 2221038), (18, 1110519), (27, 740346), (54, 370173), (81, 246782), (162, 123391), (163, 122634), (326, 61317), (489, 40878), (757, 26406), (978, 20439), (1467, 13626), (1514, 13203), (2271, 8802), (2934, 6813), (4401, 4542)]