19303784

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:533

約数の個数: 32

約数和(自身を含む): 37384200

約数和(自身を除く): 18080416

約数列:

[1, 2, 4, 8, 41, 82, 164, 229, 257, 328, 458, 514, 916, 1028, 1832, 2056, 9389, 10537, 18778, 21074, 37556, 42148, 58853, 75112, 84296, 117706, 235412, 470824, 2412973, 4825946, 9651892, 19303784]

約数ペア:

[(1, 19303784), (2, 9651892), (4, 4825946), (8, 2412973), (41, 470824), (82, 235412), (164, 117706), (229, 84296), (257, 75112), (328, 58853), (458, 42148), (514, 37556), (916, 21074), (1028, 18778), (1832, 10537), (2056, 9389)]