19869824

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{11941}}^1$

素因数の和:11968

約数の個数: 32

約数和(自身を含む): 42632940

約数和(自身を除く): 22763116

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 11941, 23882, 47764, 95528, 155233, 191056, 310466, 382112, 620932, 764224, 1241864, 1528448, 2483728, 4967456, 9934912, 19869824]

約数ペア:

[(1, 19869824), (2, 9934912), (4, 4967456), (8, 2483728), (13, 1528448), (16, 1241864), (26, 764224), (32, 620932), (52, 382112), (64, 310466), (104, 191056), (128, 155233), (208, 95528), (416, 47764), (832, 23882), (1664, 11941)]