20188515

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1$

素因数の和:363

約数の個数: 32

約数和(自身を含む): 33246720

約数和(自身を除く): 13058205

約数列:

[1, 3, 5, 15, 73, 103, 179, 219, 309, 365, 515, 537, 895, 1095, 1545, 2685, 7519, 13067, 18437, 22557, 37595, 39201, 55311, 65335, 92185, 112785, 196005, 276555, 1345901, 4037703, 6729505, 20188515]

約数ペア:

[(1, 20188515), (3, 6729505), (5, 4037703), (15, 1345901), (73, 276555), (103, 196005), (179, 112785), (219, 92185), (309, 65335), (365, 55311), (515, 39201), (537, 37595), (895, 22557), (1095, 18437), (1545, 13067), (2685, 7519)]