18635656

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{9431}}^1$

素因数の和:9469

約数の個数: 32

約数和(自身を含む): 39614400

約数和(自身を除く): 20978744

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 9431, 18862, 37724, 75448, 122603, 179189, 245206, 358378, 490412, 716756, 980824, 1433512, 2329457, 4658914, 9317828, 18635656]

約数ペア:

[(1, 18635656), (2, 9317828), (4, 4658914), (8, 2329457), (13, 1433512), (19, 980824), (26, 716756), (38, 490412), (52, 358378), (76, 245206), (104, 179189), (152, 122603), (247, 75448), (494, 37724), (988, 18862), (1976, 9431)]