18530505

素因数分解:

$3^3\times 5^1\times 7^1\times {\mathrm{19609}}^1$

素因数の和:19630

約数の個数: 32

約数和(自身を含む): 37651200

約数和(自身を除く): 19120695

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 105, 135, 189, 315, 945, 19609, 58827, 98045, 137263, 176481, 294135, 411789, 529443, 686315, 882405, 1235367, 2058945, 2647215, 3706101, 6176835, 18530505]

約数ペア:

[(1, 18530505), (3, 6176835), (5, 3706101), (7, 2647215), (9, 2058945), (15, 1235367), (21, 882405), (27, 686315), (35, 529443), (45, 411789), (63, 294135), (105, 176481), (135, 137263), (189, 98045), (315, 58827), (945, 19609)]