18780974656

素因数分解:

$2^6\times {\mathrm{521}}^1\times {\mathrm{563249}}^1$

素因数の和:563782

約数の個数: 28

約数和(自身を含む): 37340095500

約数和(自身を除く): 18559120844

約数列:

[1, 2, 4, 8, 16, 32, 64, 521, 1042, 2084, 4168, 8336, 16672, 33344, 563249, 1126498, 2252996, 4505992, 9011984, 18023968, 36047936, 293452729, 586905458, 1173810916, 2347621832, 4695243664, 9390487328, 18780974656]

約数ペア:

[(1, 18780974656), (2, 9390487328), (4, 4695243664), (8, 2347621832), (16, 1173810916), (32, 586905458), (64, 293452729), (521, 36047936), (1042, 18023968), (2084, 9011984), (4168, 4505992), (8336, 2252996), (16672, 1126498), (33344, 563249)]