19578237

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{317}}^1$

素因数の和:517

約数の個数: 32

約数和(自身を含む): 31871232

約数和(自身を除く): 12292995

約数列:

[1, 3, 7, 17, 21, 51, 119, 173, 317, 357, 519, 951, 1211, 2219, 2941, 3633, 5389, 6657, 8823, 16167, 20587, 37723, 54841, 61761, 113169, 164523, 383887, 932297, 1151661, 2796891, 6526079, 19578237]

約数ペア:

[(1, 19578237), (3, 6526079), (7, 2796891), (17, 1151661), (21, 932297), (51, 383887), (119, 164523), (173, 113169), (317, 61761), (357, 54841), (519, 37723), (951, 20587), (1211, 16167), (2219, 8823), (2941, 6657), (3633, 5389)]