19539344

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{1657}}^1$

素因数の和:1743

約数の個数: 40

約数和(自身を含む): 41940768

約数和(自身を除く): 22401424

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 67, 88, 134, 176, 268, 536, 737, 1072, 1474, 1657, 2948, 3314, 5896, 6628, 11792, 13256, 18227, 26512, 36454, 72908, 111019, 145816, 222038, 291632, 444076, 888152, 1221209, 1776304, 2442418, 4884836, 9769672, 19539344]

約数ペア:

[(1, 19539344), (2, 9769672), (4, 4884836), (8, 2442418), (11, 1776304), (16, 1221209), (22, 888152), (44, 444076), (67, 291632), (88, 222038), (134, 145816), (176, 111019), (268, 72908), (536, 36454), (737, 26512), (1072, 18227), (1474, 13256), (1657, 11792), (2948, 6628), (3314, 5896)]