18686614

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:628

約数の個数: 32

約数和(自身を含む): 31564800

約数和(自身を除く): 12878186

約数列:

[1, 2, 19, 29, 31, 38, 58, 62, 547, 551, 589, 899, 1094, 1102, 1178, 1798, 10393, 15863, 16957, 17081, 20786, 31726, 33914, 34162, 301397, 322183, 491753, 602794, 644366, 983506, 9343307, 18686614]

約数ペア:

[(1, 18686614), (2, 9343307), (19, 983506), (29, 644366), (31, 602794), (38, 491753), (58, 322183), (62, 301397), (547, 34162), (551, 33914), (589, 31726), (899, 20786), (1094, 17081), (1102, 16957), (1178, 15863), (1798, 10393)]