19740344

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2833}}^1$

素因数の和:2919

約数の個数: 32

約数和(自身を含む): 40469520

約数和(自身を除く): 20729176

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 2833, 3484, 5666, 6968, 11332, 22664, 36829, 73658, 147316, 189811, 294632, 379622, 759244, 1518488, 2467543, 4935086, 9870172, 19740344]

約数ペア:

[(1, 19740344), (2, 9870172), (4, 4935086), (8, 2467543), (13, 1518488), (26, 759244), (52, 379622), (67, 294632), (104, 189811), (134, 147316), (268, 73658), (536, 36829), (871, 22664), (1742, 11332), (2833, 6968), (3484, 5666)]