19307718

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{313}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 44085600

約数和(自身を除く): 24777882

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 149, 207, 298, 313, 414, 447, 626, 894, 939, 1341, 1878, 2682, 2817, 3427, 5634, 6854, 7199, 10281, 14398, 20562, 21597, 30843, 43194, 46637, 61686, 64791, 93274, 129582, 139911, 279822, 419733, 839466, 1072651, 2145302, 3217953, 6435906, 9653859, 19307718]

約数ペア:

[(1, 19307718), (2, 9653859), (3, 6435906), (6, 3217953), (9, 2145302), (18, 1072651), (23, 839466), (46, 419733), (69, 279822), (138, 139911), (149, 129582), (207, 93274), (298, 64791), (313, 61686), (414, 46637), (447, 43194), (626, 30843), (894, 21597), (939, 20562), (1341, 14398), (1878, 10281), (2682, 7199), (2817, 6854), (3427, 5634)]