19952016

素因数分解:

$2^4\times 3^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{499}}^1$

素因数の和:541

約数の個数: 120

約数和(自身を含む): 63612000

約数和(自身を除く): 43659984

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 17, 21, 24, 28, 34, 42, 48, 49, 51, 56, 68, 84, 98, 102, 112, 119, 136, 147, 168, 196, 204, 238, 272, 294, 336, 357, 392, 408, 476, 499, 588, 714, 784, 816, 833, 952, 998, 1176, 1428, 1497, 1666, 1904, 1996, 2352, 2499, 2856, 2994, 3332, 3493, 3992, 4998, 5712, 5988, 6664, 6986, 7984, 8483, 9996, 10479, 11976, 13328, 13972, 16966, 19992, 20958, 23952, 24451, 25449, 27944, 33932, 39984, 41916, 48902, 50898, 55888, 59381, 67864, 73353, 83832, 97804, 101796, 118762, 135728, 146706, 167664, 178143, 195608, 203592, 237524, 293412, 356286, 391216, 407184, 415667, 475048, 586824, 712572, 831334, 950096, 1173648, 1247001, 1425144, 1662668, 2494002, 2850288, 3325336, 4988004, 6650672, 9976008, 19952016]

約数ペア:

[(1, 19952016), (2, 9976008), (3, 6650672), (4, 4988004), (6, 3325336), (7, 2850288), (8, 2494002), (12, 1662668), (14, 1425144), (16, 1247001), (17, 1173648), (21, 950096), (24, 831334), (28, 712572), (34, 586824), (42, 475048), (48, 415667), (49, 407184), (51, 391216), (56, 356286), (68, 293412), (84, 237524), (98, 203592), (102, 195608), (112, 178143), (119, 167664), (136, 146706), (147, 135728), (168, 118762), (196, 101796), (204, 97804), (238, 83832), (272, 73353), (294, 67864), (336, 59381), (357, 55888), (392, 50898), (408, 48902), (476, 41916), (499, 39984), (588, 33932), (714, 27944), (784, 25449), (816, 24451), (833, 23952), (952, 20958), (998, 19992), (1176, 16966), (1428, 13972), (1497, 13328), (1666, 11976), (1904, 10479), (1996, 9996), (2352, 8483), (2499, 7984), (2856, 6986), (2994, 6664), (3332, 5988), (3493, 5712), (3992, 4998)]