15380918

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{1091}}^1$

素因数の和:1172

約数の個数: 32

約数和(自身を含む): 28304640

約数和(自身を除く): 12923722

約数列:

[1, 2, 7, 14, 19, 38, 53, 106, 133, 266, 371, 742, 1007, 1091, 2014, 2182, 7049, 7637, 14098, 15274, 20729, 41458, 57823, 115646, 145103, 290206, 404761, 809522, 1098637, 2197274, 7690459, 15380918]

約数ペア:

[(1, 15380918), (2, 7690459), (7, 2197274), (14, 1098637), (19, 809522), (38, 404761), (53, 290206), (106, 145103), (133, 115646), (266, 57823), (371, 41458), (742, 20729), (1007, 15274), (1091, 14098), (2014, 7637), (2182, 7049)]