19398448

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:565

約数の個数: 40

約数和(自身を含む): 39372480

約数和(自身を除く): 19974032

約数列:

[1, 2, 4, 8, 16, 29, 58, 97, 116, 194, 232, 388, 431, 464, 776, 862, 1552, 1724, 2813, 3448, 5626, 6896, 11252, 12499, 22504, 24998, 41807, 45008, 49996, 83614, 99992, 167228, 199984, 334456, 668912, 1212403, 2424806, 4849612, 9699224, 19398448]

約数ペア:

[(1, 19398448), (2, 9699224), (4, 4849612), (8, 2424806), (16, 1212403), (29, 668912), (58, 334456), (97, 199984), (116, 167228), (194, 99992), (232, 83614), (388, 49996), (431, 45008), (464, 41807), (776, 24998), (862, 22504), (1552, 12499), (1724, 11252), (2813, 6896), (3448, 5626)]