19919478

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{1091}}^1$

素因数の和:1292

約数の個数: 32

約数和(自身を含む): 42456960

約数和(自身を除く): 22537482

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 179, 358, 537, 1074, 1091, 2182, 3043, 3273, 6086, 6546, 9129, 18258, 18547, 37094, 55641, 111282, 195289, 390578, 585867, 1171734, 3319913, 6639826, 9959739, 19919478]

約数ペア:

[(1, 19919478), (2, 9959739), (3, 6639826), (6, 3319913), (17, 1171734), (34, 585867), (51, 390578), (102, 195289), (179, 111282), (358, 55641), (537, 37094), (1074, 18547), (1091, 18258), (2182, 9129), (3043, 6546), (3273, 6086)]