19681968

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:262

約数の個数: 80

約数和(自身を含む): 53184096

約数和(自身を除く): 33502128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 73, 82, 123, 137, 146, 164, 219, 246, 274, 292, 328, 411, 438, 492, 548, 584, 656, 822, 876, 984, 1096, 1168, 1644, 1752, 1968, 2192, 2993, 3288, 3504, 5617, 5986, 6576, 8979, 10001, 11234, 11972, 16851, 17958, 20002, 22468, 23944, 30003, 33702, 35916, 40004, 44936, 47888, 60006, 67404, 71832, 80008, 89872, 120012, 134808, 143664, 160016, 240024, 269616, 410041, 480048, 820082, 1230123, 1640164, 2460246, 3280328, 4920492, 6560656, 9840984, 19681968]

約数ペア:

[(1, 19681968), (2, 9840984), (3, 6560656), (4, 4920492), (6, 3280328), (8, 2460246), (12, 1640164), (16, 1230123), (24, 820082), (41, 480048), (48, 410041), (73, 269616), (82, 240024), (123, 160016), (137, 143664), (146, 134808), (164, 120012), (219, 89872), (246, 80008), (274, 71832), (292, 67404), (328, 60006), (411, 47888), (438, 44936), (492, 40004), (548, 35916), (584, 33702), (656, 30003), (822, 23944), (876, 22468), (984, 20002), (1096, 17958), (1168, 16851), (1644, 11972), (1752, 11234), (1968, 10001), (2192, 8979), (2993, 6576), (3288, 5986), (3504, 5617)]