15820236

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:359

約数の個数: 72

約数和(自身を含む): 42697200

約数和(自身を除く): 26876964

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 101, 114, 171, 202, 228, 229, 303, 342, 404, 458, 606, 684, 687, 909, 916, 1212, 1374, 1818, 1919, 2061, 2748, 3636, 3838, 4122, 4351, 5757, 7676, 8244, 8702, 11514, 13053, 17271, 17404, 23028, 23129, 26106, 34542, 39159, 46258, 52212, 69084, 69387, 78318, 92516, 138774, 156636, 208161, 277548, 416322, 439451, 832644, 878902, 1318353, 1757804, 2636706, 3955059, 5273412, 7910118, 15820236]

約数ペア:

[(1, 15820236), (2, 7910118), (3, 5273412), (4, 3955059), (6, 2636706), (9, 1757804), (12, 1318353), (18, 878902), (19, 832644), (36, 439451), (38, 416322), (57, 277548), (76, 208161), (101, 156636), (114, 138774), (171, 92516), (202, 78318), (228, 69387), (229, 69084), (303, 52212), (342, 46258), (404, 39159), (458, 34542), (606, 26106), (684, 23129), (687, 23028), (909, 17404), (916, 17271), (1212, 13053), (1374, 11514), (1818, 8702), (1919, 8244), (2061, 7676), (2748, 5757), (3636, 4351), (3838, 4122)]