19089402

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 24041478

約数列:

[1, 2, 3, 6, 17, 23, 34, 46, 51, 69, 79, 102, 103, 138, 158, 206, 237, 309, 391, 474, 618, 782, 1173, 1343, 1751, 1817, 2346, 2369, 2686, 3502, 3634, 4029, 4738, 5253, 5451, 7107, 8058, 8137, 10506, 10902, 14214, 16274, 24411, 30889, 40273, 48822, 61778, 80546, 92667, 120819, 138329, 185334, 187151, 241638, 276658, 374302, 414987, 561453, 829974, 1122906, 3181567, 6363134, 9544701, 19089402]

約数ペア:

[(1, 19089402), (2, 9544701), (3, 6363134), (6, 3181567), (17, 1122906), (23, 829974), (34, 561453), (46, 414987), (51, 374302), (69, 276658), (79, 241638), (102, 187151), (103, 185334), (138, 138329), (158, 120819), (206, 92667), (237, 80546), (309, 61778), (391, 48822), (474, 40273), (618, 30889), (782, 24411), (1173, 16274), (1343, 14214), (1751, 10902), (1817, 10506), (2346, 8137), (2369, 8058), (2686, 7107), (3502, 5451), (3634, 5253), (4029, 4738)]