19556530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{491}}^1\times {\mathrm{569}}^1$

素因数の和:1074

約数の個数: 32

約数和(自身を含む): 40383360

約数和(自身を除く): 20826830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 491, 569, 982, 1138, 2455, 2845, 3437, 3983, 4910, 5690, 6874, 7966, 17185, 19915, 34370, 39830, 279379, 558758, 1396895, 1955653, 2793790, 3911306, 9778265, 19556530]

約数ペア:

[(1, 19556530), (2, 9778265), (5, 3911306), (7, 2793790), (10, 1955653), (14, 1396895), (35, 558758), (70, 279379), (491, 39830), (569, 34370), (982, 19915), (1138, 17185), (2455, 7966), (2845, 6874), (3437, 5690), (3983, 4910)]