19706648

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9973}}^1$

素因数の和:10011

約数の個数: 32

約数和(自身を含む): 41890800

約数和(自身を除く): 22184152

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9973, 19946, 39892, 79784, 129649, 189487, 259298, 378974, 518596, 757948, 1037192, 1515896, 2463331, 4926662, 9853324, 19706648]

約数ペア:

[(1, 19706648), (2, 9853324), (4, 4926662), (8, 2463331), (13, 1515896), (19, 1037192), (26, 757948), (38, 518596), (52, 378974), (76, 259298), (104, 189487), (152, 129649), (247, 79784), (494, 39892), (988, 19946), (1976, 9973)]