19192201

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{53}}^1\times {\mathrm{179}}^1$

素因数の和:273

約数の個数: 24

約数和(自身を含む): 23872320

約数和(自身を除く): 4680119

約数列:

[1, 7, 17, 53, 119, 179, 289, 371, 901, 1253, 2023, 3043, 6307, 9487, 15317, 21301, 51731, 66409, 107219, 161279, 362117, 1128953, 2741743, 19192201]

約数ペア:

[(1, 19192201), (7, 2741743), (17, 1128953), (53, 362117), (119, 161279), (179, 107219), (289, 66409), (371, 51731), (901, 21301), (1253, 15317), (2023, 9487), (3043, 6307)]