19306917

素因数分解:

$3^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2003}}^1$

素因数の和:2039

約数の個数: 40

約数和(自身を含む): 34917696

約数和(自身を除く): 15610779

約数列:

[1, 3, 7, 9, 17, 21, 27, 51, 63, 81, 119, 153, 189, 357, 459, 567, 1071, 1377, 2003, 3213, 6009, 9639, 14021, 18027, 34051, 42063, 54081, 102153, 126189, 162243, 238357, 306459, 378567, 715071, 919377, 1135701, 2145213, 2758131, 6435639, 19306917]

約数ペア:

[(1, 19306917), (3, 6435639), (7, 2758131), (9, 2145213), (17, 1135701), (21, 919377), (27, 715071), (51, 378567), (63, 306459), (81, 238357), (119, 162243), (153, 126189), (189, 102153), (357, 54081), (459, 42063), (567, 34051), (1071, 18027), (1377, 14021), (2003, 9639), (3213, 6009)]