18615376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2887}}^1$

素因数の和:2939

約数の個数: 40

約数和(自身を含む): 40108544

約数和(自身を除く): 21493168

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 2887, 3224, 5774, 6448, 11548, 23096, 37531, 46192, 75062, 89497, 150124, 178994, 300248, 357988, 600496, 715976, 1163461, 1431952, 2326922, 4653844, 9307688, 18615376]

約数ペア:

[(1, 18615376), (2, 9307688), (4, 4653844), (8, 2326922), (13, 1431952), (16, 1163461), (26, 715976), (31, 600496), (52, 357988), (62, 300248), (104, 178994), (124, 150124), (208, 89497), (248, 75062), (403, 46192), (496, 37531), (806, 23096), (1612, 11548), (2887, 6448), (3224, 5774)]