19828096

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 43084800

約数和(自身を除く): 23256704

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 263, 304, 496, 526, 589, 608, 992, 1052, 1178, 1216, 1984, 2104, 2356, 2432, 3968, 4208, 4712, 4997, 8153, 8416, 9424, 9994, 16306, 16832, 18848, 19988, 32612, 33664, 37696, 39976, 65224, 75392, 79952, 130448, 154907, 159904, 260896, 309814, 319808, 521792, 619628, 639616, 1043584, 1239256, 2478512, 4957024, 9914048, 19828096]

約数ペア:

[(1, 19828096), (2, 9914048), (4, 4957024), (8, 2478512), (16, 1239256), (19, 1043584), (31, 639616), (32, 619628), (38, 521792), (62, 319808), (64, 309814), (76, 260896), (124, 159904), (128, 154907), (152, 130448), (248, 79952), (263, 75392), (304, 65224), (496, 39976), (526, 37696), (589, 33664), (608, 32612), (992, 19988), (1052, 18848), (1178, 16832), (1216, 16306), (1984, 9994), (2104, 9424), (2356, 8416), (2432, 8153), (3968, 4997), (4208, 4712)]