18174945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{379}}^1$

素因数の和:549

約数の個数: 32

約数和(自身を含む): 30643200

約数和(自身を除く): 12468255

約数列:

[1, 3, 5, 15, 23, 69, 115, 139, 345, 379, 417, 695, 1137, 1895, 2085, 3197, 5685, 8717, 9591, 15985, 26151, 43585, 47955, 52681, 130755, 158043, 263405, 790215, 1211663, 3634989, 6058315, 18174945]

約数ペア:

[(1, 18174945), (3, 6058315), (5, 3634989), (15, 1211663), (23, 790215), (69, 263405), (115, 158043), (139, 130755), (345, 52681), (379, 47955), (417, 43585), (695, 26151), (1137, 15985), (1895, 9591), (2085, 8717), (3197, 5685)]