18172365

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{239}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 30205440

約数和(自身を除く): 12033075

約数列:

[1, 3, 5, 15, 37, 111, 137, 185, 239, 411, 555, 685, 717, 1195, 2055, 3585, 5069, 8843, 15207, 25345, 26529, 32743, 44215, 76035, 98229, 132645, 163715, 491145, 1211491, 3634473, 6057455, 18172365]

約数ペア:

[(1, 18172365), (3, 6057455), (5, 3634473), (15, 1211491), (37, 491145), (111, 163715), (137, 132645), (185, 98229), (239, 76035), (411, 44215), (555, 32743), (685, 26529), (717, 25345), (1195, 15207), (2055, 8843), (3585, 5069)]