19884370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1109}}^1$

素因数の和:1290

約数の個数: 32

約数和(自身を含む): 39320640

約数和(自身を除く): 19436270

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 163, 326, 815, 1109, 1630, 1793, 2218, 3586, 5545, 8965, 11090, 12199, 17930, 24398, 60995, 121990, 180767, 361534, 903835, 1807670, 1988437, 3976874, 9942185, 19884370]

約数ペア:

[(1, 19884370), (2, 9942185), (5, 3976874), (10, 1988437), (11, 1807670), (22, 903835), (55, 361534), (110, 180767), (163, 121990), (326, 60995), (815, 24398), (1109, 17930), (1630, 12199), (1793, 11090), (2218, 8965), (3586, 5545)]