19019416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4253}}^1$

素因数の和:4315

約数の個数: 32

約数和(自身を含む): 39306960

約数和(自身を除く): 20287544

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4253, 4472, 8506, 17012, 34024, 55289, 110578, 182879, 221156, 365758, 442312, 731516, 1463032, 2377427, 4754854, 9509708, 19019416]

約数ペア:

[(1, 19019416), (2, 9509708), (4, 4754854), (8, 2377427), (13, 1463032), (26, 731516), (43, 442312), (52, 365758), (86, 221156), (104, 182879), (172, 110578), (344, 55289), (559, 34024), (1118, 17012), (2236, 8506), (4253, 4472)]