18949196

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{113}}^2$

素因数の和:290

約数の個数: 36

約数和(自身を含む): 38958192

約数和(自身を除く): 20008996

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 113, 212, 226, 371, 452, 742, 791, 1484, 1582, 3164, 5989, 11978, 12769, 23956, 25538, 41923, 51076, 83846, 89383, 167692, 178766, 357532, 676757, 1353514, 2707028, 4737299, 9474598, 18949196]

約数ペア:

[(1, 18949196), (2, 9474598), (4, 4737299), (7, 2707028), (14, 1353514), (28, 676757), (53, 357532), (106, 178766), (113, 167692), (212, 89383), (226, 83846), (371, 51076), (452, 41923), (742, 25538), (791, 23956), (1484, 12769), (1582, 11978), (3164, 5989)]