18378105

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{743}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 31497984

約数和(自身を除く): 13119879

約数列:

[1, 3, 5, 15, 17, 51, 85, 97, 255, 291, 485, 743, 1455, 1649, 2229, 3715, 4947, 8245, 11145, 12631, 24735, 37893, 63155, 72071, 189465, 216213, 360355, 1081065, 1225207, 3675621, 6126035, 18378105]

約数ペア:

[(1, 18378105), (3, 6126035), (5, 3675621), (15, 1225207), (17, 1081065), (51, 360355), (85, 216213), (97, 189465), (255, 72071), (291, 63155), (485, 37893), (743, 24735), (1455, 12631), (1649, 11145), (2229, 8245), (3715, 4947)]