18256770

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{28979}}^1$

素因数の和:28999

約数の個数: 48

約数和(自身を含む): 54250560

約数和(自身を除く): 35993790

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 28979, 57958, 86937, 144895, 173874, 202853, 260811, 289790, 405706, 434685, 521622, 608559, 869370, 1014265, 1217118, 1304055, 1825677, 2028530, 2608110, 3042795, 3651354, 6085590, 9128385, 18256770]

約数ペア:

[(1, 18256770), (2, 9128385), (3, 6085590), (5, 3651354), (6, 3042795), (7, 2608110), (9, 2028530), (10, 1825677), (14, 1304055), (15, 1217118), (18, 1014265), (21, 869370), (30, 608559), (35, 521622), (42, 434685), (45, 405706), (63, 289790), (70, 260811), (90, 202853), (105, 173874), (126, 144895), (210, 86937), (315, 57958), (630, 28979)]