18929456

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{13001}}^1$

素因数の和:13029

約数の個数: 40

約数和(自身を含む): 45142944

約数和(自身を除く): 26213488

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 182, 208, 364, 728, 1456, 13001, 26002, 52004, 91007, 104008, 169013, 182014, 208016, 338026, 364028, 676052, 728056, 1183091, 1352104, 1456112, 2366182, 2704208, 4732364, 9464728, 18929456]

約数ペア:

[(1, 18929456), (2, 9464728), (4, 4732364), (7, 2704208), (8, 2366182), (13, 1456112), (14, 1352104), (16, 1183091), (26, 728056), (28, 676052), (52, 364028), (56, 338026), (91, 208016), (104, 182014), (112, 169013), (182, 104008), (208, 91007), (364, 52004), (728, 26002), (1456, 13001)]