18819984

素因数分解:

$2^4\times 3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:256

約数の個数: 80

約数和(自身を含む): 50871744

約数和(自身を除く): 32051760

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 73, 82, 123, 131, 146, 164, 219, 246, 262, 292, 328, 393, 438, 492, 524, 584, 656, 786, 876, 984, 1048, 1168, 1572, 1752, 1968, 2096, 2993, 3144, 3504, 5371, 5986, 6288, 8979, 9563, 10742, 11972, 16113, 17958, 19126, 21484, 23944, 28689, 32226, 35916, 38252, 42968, 47888, 57378, 64452, 71832, 76504, 85936, 114756, 128904, 143664, 153008, 229512, 257808, 392083, 459024, 784166, 1176249, 1568332, 2352498, 3136664, 4704996, 6273328, 9409992, 18819984]

約数ペア:

[(1, 18819984), (2, 9409992), (3, 6273328), (4, 4704996), (6, 3136664), (8, 2352498), (12, 1568332), (16, 1176249), (24, 784166), (41, 459024), (48, 392083), (73, 257808), (82, 229512), (123, 153008), (131, 143664), (146, 128904), (164, 114756), (219, 85936), (246, 76504), (262, 71832), (292, 64452), (328, 57378), (393, 47888), (438, 42968), (492, 38252), (524, 35916), (584, 32226), (656, 28689), (786, 23944), (876, 21484), (984, 19126), (1048, 17958), (1168, 16113), (1572, 11972), (1752, 10742), (1968, 9563), (2096, 8979), (2993, 6288), (3144, 5986), (3504, 5371)]