18371290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{727}}^1$

素因数の和:779

約数の個数: 48

約数和(自身を含む): 39940992

約数和(自身を除く): 21569702

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 361, 665, 722, 727, 1330, 1454, 1805, 2527, 3610, 3635, 5054, 5089, 7270, 10178, 12635, 13813, 25270, 25445, 27626, 50890, 69065, 96691, 138130, 193382, 262447, 483455, 524894, 966910, 1312235, 1837129, 2624470, 3674258, 9185645, 18371290]

約数ペア:

[(1, 18371290), (2, 9185645), (5, 3674258), (7, 2624470), (10, 1837129), (14, 1312235), (19, 966910), (35, 524894), (38, 483455), (70, 262447), (95, 193382), (133, 138130), (190, 96691), (266, 69065), (361, 50890), (665, 27626), (722, 25445), (727, 25270), (1330, 13813), (1454, 12635), (1805, 10178), (2527, 7270), (3610, 5089), (3635, 5054)]