19478362

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 32250960

約数和(自身を除く): 12772598

約数列:

[1, 2, 17, 34, 41, 82, 89, 157, 178, 314, 697, 1394, 1513, 2669, 3026, 3649, 5338, 6437, 7298, 12874, 13973, 27946, 62033, 109429, 124066, 218858, 237541, 475082, 572893, 1145786, 9739181, 19478362]

約数ペア:

[(1, 19478362), (2, 9739181), (17, 1145786), (34, 572893), (41, 475082), (82, 237541), (89, 218858), (157, 124066), (178, 109429), (314, 62033), (697, 27946), (1394, 13973), (1513, 12874), (2669, 7298), (3026, 6437), (3649, 5338)]