19355355

素因数分解:

$3^4\times 5^1\times {\mathrm{47791}}^1$

素因数の和:47808

約数の個数: 20

約数和(自身を含む): 34696992

約数和(自身を除く): 15341637

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 47791, 143373, 238955, 430119, 716865, 1290357, 2150595, 3871071, 6451785, 19355355]

約数ペア:

[(1, 19355355), (3, 6451785), (5, 3871071), (9, 2150595), (15, 1290357), (27, 716865), (45, 430119), (81, 238955), (135, 143373), (405, 47791)]