18946641194

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{521}}^1\times {\mathrm{45119}}^1$

素因数の和:45686

約数の個数: 32

約数和(自身を含む): 31654748160

約数和(自身を除く): 12708106966

約数列:

[1, 2, 13, 26, 31, 62, 403, 521, 806, 1042, 6773, 13546, 16151, 32302, 45119, 90238, 209963, 419926, 586547, 1173094, 1398689, 2797378, 18182957, 23506999, 36365914, 47013998, 305590987, 611181974, 728716969, 1457433938, 9473320597, 18946641194]

約数ペア:

[(1, 18946641194), (2, 9473320597), (13, 1457433938), (26, 728716969), (31, 611181974), (62, 305590987), (403, 47013998), (521, 36365914), (806, 23506999), (1042, 18182957), (6773, 2797378), (13546, 1398689), (16151, 1173094), (32302, 586547), (45119, 419926), (90238, 209963)]