18762747

素因数分解:

$3^1\times {\mathrm{17}}^3\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:140

約数の個数: 32

約数和(自身を含む): 28396800

約数和(自身を除く): 9634053

約数列:

[1, 3, 17, 19, 51, 57, 67, 201, 289, 323, 867, 969, 1139, 1273, 3417, 3819, 4913, 5491, 14739, 16473, 19363, 21641, 58089, 64923, 93347, 280041, 329171, 367897, 987513, 1103691, 6254249, 18762747]

約数ペア:

[(1, 18762747), (3, 6254249), (17, 1103691), (19, 987513), (51, 367897), (57, 329171), (67, 280041), (201, 93347), (289, 64923), (323, 58089), (867, 21641), (969, 19363), (1139, 16473), (1273, 14739), (3417, 5491), (3819, 4913)]