19895670

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 96

約数和(自身を含む): 54486432

約数和(自身を除く): 34590762

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 43, 45, 53, 86, 90, 97, 106, 129, 159, 194, 215, 258, 265, 291, 318, 387, 430, 477, 485, 530, 582, 645, 774, 795, 873, 954, 970, 1290, 1455, 1590, 1746, 1935, 2279, 2385, 2910, 3870, 4171, 4365, 4558, 4770, 5141, 6837, 8342, 8730, 10282, 11395, 12513, 13674, 15423, 20511, 20855, 22790, 25026, 25705, 30846, 34185, 37539, 41022, 41710, 46269, 51410, 62565, 68370, 75078, 77115, 92538, 102555, 125130, 154230, 187695, 205110, 221063, 231345, 375390, 442126, 462690, 663189, 1105315, 1326378, 1989567, 2210630, 3315945, 3979134, 6631890, 9947835, 19895670]

約数ペア:

[(1, 19895670), (2, 9947835), (3, 6631890), (5, 3979134), (6, 3315945), (9, 2210630), (10, 1989567), (15, 1326378), (18, 1105315), (30, 663189), (43, 462690), (45, 442126), (53, 375390), (86, 231345), (90, 221063), (97, 205110), (106, 187695), (129, 154230), (159, 125130), (194, 102555), (215, 92538), (258, 77115), (265, 75078), (291, 68370), (318, 62565), (387, 51410), (430, 46269), (477, 41710), (485, 41022), (530, 37539), (582, 34185), (645, 30846), (774, 25705), (795, 25026), (873, 22790), (954, 20855), (970, 20511), (1290, 15423), (1455, 13674), (1590, 12513), (1746, 11395), (1935, 10282), (2279, 8730), (2385, 8342), (2910, 6837), (3870, 5141), (4171, 4770), (4365, 4558)]