19921464

素因数分解:

$2^3\times 3^4\times {\mathrm{71}}^1\times {\mathrm{433}}^1$

素因数の和:522

約数の個数: 80

約数和(自身を含む): 56715120

約数和(自身を除く): 36793656

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 71, 72, 81, 108, 142, 162, 213, 216, 284, 324, 426, 433, 568, 639, 648, 852, 866, 1278, 1299, 1704, 1732, 1917, 2556, 2598, 3464, 3834, 3897, 5112, 5196, 5751, 7668, 7794, 10392, 11502, 11691, 15336, 15588, 23004, 23382, 30743, 31176, 35073, 46008, 46764, 61486, 70146, 92229, 93528, 122972, 140292, 184458, 245944, 276687, 280584, 368916, 553374, 737832, 830061, 1106748, 1660122, 2213496, 2490183, 3320244, 4980366, 6640488, 9960732, 19921464]

約数ペア:

[(1, 19921464), (2, 9960732), (3, 6640488), (4, 4980366), (6, 3320244), (8, 2490183), (9, 2213496), (12, 1660122), (18, 1106748), (24, 830061), (27, 737832), (36, 553374), (54, 368916), (71, 280584), (72, 276687), (81, 245944), (108, 184458), (142, 140292), (162, 122972), (213, 93528), (216, 92229), (284, 70146), (324, 61486), (426, 46764), (433, 46008), (568, 35073), (639, 31176), (648, 30743), (852, 23382), (866, 23004), (1278, 15588), (1299, 15336), (1704, 11691), (1732, 11502), (1917, 10392), (2556, 7794), (2598, 7668), (3464, 5751), (3834, 5196), (3897, 5112)]