15642016

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1979}}^1$

素因数の和:2021

約数の個数: 48

約数和(自身を含む): 34927200

約数和(自身を除く): 19285184

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 1979, 3952, 3958, 7904, 7916, 15832, 25727, 31664, 37601, 51454, 63328, 75202, 102908, 150404, 205816, 300808, 411632, 488813, 601616, 823264, 977626, 1203232, 1955252, 3910504, 7821008, 15642016]

約数ペア:

[(1, 15642016), (2, 7821008), (4, 3910504), (8, 1955252), (13, 1203232), (16, 977626), (19, 823264), (26, 601616), (32, 488813), (38, 411632), (52, 300808), (76, 205816), (104, 150404), (152, 102908), (208, 75202), (247, 63328), (304, 51454), (416, 37601), (494, 31664), (608, 25727), (988, 15832), (1976, 7916), (1979, 7904), (3952, 3958)]