19111664

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{8353}}^1$

素因数の和:8385

約数の個数: 40

約数和(自身を含む): 43507632

約数和(自身を除く): 24395968

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 8353, 16706, 33412, 66824, 91883, 108589, 133648, 183766, 217178, 367532, 434356, 735064, 868712, 1194479, 1470128, 1737424, 2388958, 4777916, 9555832, 19111664]

約数ペア:

[(1, 19111664), (2, 9555832), (4, 4777916), (8, 2388958), (11, 1737424), (13, 1470128), (16, 1194479), (22, 868712), (26, 735064), (44, 434356), (52, 367532), (88, 217178), (104, 183766), (143, 133648), (176, 108589), (208, 91883), (286, 66824), (572, 33412), (1144, 16706), (2288, 8353)]