18228465

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 33246720

約数和(自身を除く): 15018255

約数列:

[1, 3, 5, 9, 15, 31, 45, 73, 93, 155, 179, 219, 279, 365, 465, 537, 657, 895, 1095, 1395, 1611, 2263, 2685, 3285, 5549, 6789, 8055, 11315, 13067, 16647, 20367, 27745, 33945, 39201, 49941, 65335, 83235, 101835, 117603, 196005, 249705, 405077, 588015, 1215231, 2025385, 3645693, 6076155, 18228465]

約数ペア:

[(1, 18228465), (3, 6076155), (5, 3645693), (9, 2025385), (15, 1215231), (31, 588015), (45, 405077), (73, 249705), (93, 196005), (155, 117603), (179, 101835), (219, 83235), (279, 65335), (365, 49941), (465, 39201), (537, 33945), (657, 27745), (895, 20367), (1095, 16647), (1395, 13067), (1611, 11315), (2263, 8055), (2685, 6789), (3285, 5549)]