19672328

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1$

素因数の和:198

約数の個数: 64

約数和(自身を含む): 41912640

約数和(自身を除く): 22240312

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 53, 83, 86, 104, 106, 166, 172, 212, 332, 344, 424, 559, 664, 689, 1079, 1118, 1378, 2158, 2236, 2279, 2756, 3569, 4316, 4399, 4472, 4558, 5512, 7138, 8632, 8798, 9116, 14276, 17596, 18232, 28552, 29627, 35192, 46397, 57187, 59254, 92794, 114374, 118508, 185588, 189157, 228748, 237016, 371176, 378314, 457496, 756628, 1513256, 2459041, 4918082, 9836164, 19672328]

約数ペア:

[(1, 19672328), (2, 9836164), (4, 4918082), (8, 2459041), (13, 1513256), (26, 756628), (43, 457496), (52, 378314), (53, 371176), (83, 237016), (86, 228748), (104, 189157), (106, 185588), (166, 118508), (172, 114374), (212, 92794), (332, 59254), (344, 57187), (424, 46397), (559, 35192), (664, 29627), (689, 28552), (1079, 18232), (1118, 17596), (1378, 14276), (2158, 9116), (2236, 8798), (2279, 8632), (2756, 7138), (3569, 5512), (4316, 4558), (4399, 4472)]