18649407

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{271}}^1$

素因数の和:423

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 11118273

約数列:

[1, 3, 7, 21, 29, 87, 113, 203, 271, 339, 609, 791, 813, 1897, 2373, 3277, 5691, 7859, 9831, 22939, 23577, 30623, 55013, 68817, 91869, 165039, 214361, 643083, 888067, 2664201, 6216469, 18649407]

約数ペア:

[(1, 18649407), (3, 6216469), (7, 2664201), (21, 888067), (29, 643083), (87, 214361), (113, 165039), (203, 91869), (271, 68817), (339, 55013), (609, 30623), (791, 23577), (813, 22939), (1897, 9831), (2373, 7859), (3277, 5691)]