19580096

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:253

約数の個数: 56

約数和(自身を含む): 40965120

約数和(自身を除く): 21385024

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 71, 124, 139, 142, 248, 278, 284, 496, 556, 568, 992, 1112, 1136, 1984, 2201, 2224, 2272, 4309, 4402, 4448, 4544, 8618, 8804, 8896, 9869, 17236, 17608, 19738, 34472, 35216, 39476, 68944, 70432, 78952, 137888, 140864, 157904, 275776, 305939, 315808, 611878, 631616, 1223756, 2447512, 4895024, 9790048, 19580096]

約数ペア:

[(1, 19580096), (2, 9790048), (4, 4895024), (8, 2447512), (16, 1223756), (31, 631616), (32, 611878), (62, 315808), (64, 305939), (71, 275776), (124, 157904), (139, 140864), (142, 137888), (248, 78952), (278, 70432), (284, 68944), (496, 39476), (556, 35216), (568, 34472), (992, 19738), (1112, 17608), (1136, 17236), (1984, 9869), (2201, 8896), (2224, 8804), (2272, 8618), (4309, 4544), (4402, 4448)]