18836904

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{409}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 50184000

約数和(自身を除く): 31347096

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 101, 114, 152, 202, 228, 303, 404, 409, 456, 606, 808, 818, 1212, 1227, 1636, 1919, 2424, 2454, 3272, 3838, 4908, 5757, 7676, 7771, 9816, 11514, 15352, 15542, 23028, 23313, 31084, 41309, 46056, 46626, 62168, 82618, 93252, 123927, 165236, 186504, 247854, 330472, 495708, 784871, 991416, 1569742, 2354613, 3139484, 4709226, 6278968, 9418452, 18836904]

約数ペア:

[(1, 18836904), (2, 9418452), (3, 6278968), (4, 4709226), (6, 3139484), (8, 2354613), (12, 1569742), (19, 991416), (24, 784871), (38, 495708), (57, 330472), (76, 247854), (101, 186504), (114, 165236), (152, 123927), (202, 93252), (228, 82618), (303, 62168), (404, 46626), (409, 46056), (456, 41309), (606, 31084), (808, 23313), (818, 23028), (1212, 15542), (1227, 15352), (1636, 11514), (1919, 9816), (2424, 7771), (2454, 7676), (3272, 5757), (3838, 4908)]