19808954

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{6043}}^1$

素因数の和:6205

約数の個数: 16

約数和(自身を含む): 32637600

約数和(自身を除く): 12828646

約数列:

[1, 2, 11, 22, 149, 298, 1639, 3278, 6043, 12086, 66473, 132946, 900407, 1800814, 9904477, 19808954]

約数ペア:

[(1, 19808954), (2, 9904477), (11, 1800814), (22, 900407), (149, 132946), (298, 66473), (1639, 12086), (3278, 6043)]