18496959

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{73}}^2\times {\mathrm{89}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 27231120

約数和(自身を除く): 8734161

約数列:

[1, 3, 13, 39, 73, 89, 219, 267, 949, 1157, 2847, 3471, 5329, 6497, 15987, 19491, 69277, 84461, 207831, 253383, 474281, 1422843, 6165653, 18496959]

約数ペア:

[(1, 18496959), (3, 6165653), (13, 1422843), (39, 474281), (73, 253383), (89, 207831), (219, 84461), (267, 69277), (949, 19491), (1157, 15987), (2847, 6497), (3471, 5329)]