19810368976

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{1327}}^1\times {\mathrm{9619}}^1$

素因数の和:11051

約数の個数: 40

約数和(自身を含む): 38811543680

約数和(自身を除く): 19001174704

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1327, 1552, 2654, 5308, 9619, 10616, 19238, 21232, 38476, 76952, 128719, 153904, 257438, 514876, 933043, 1029752, 1866086, 2059504, 3732172, 7464344, 12764413, 14928688, 25528826, 51057652, 102115304, 204230608, 1238148061, 2476296122, 4952592244, 9905184488, 19810368976]

約数ペア:

[(1, 19810368976), (2, 9905184488), (4, 4952592244), (8, 2476296122), (16, 1238148061), (97, 204230608), (194, 102115304), (388, 51057652), (776, 25528826), (1327, 14928688), (1552, 12764413), (2654, 7464344), (5308, 3732172), (9619, 2059504), (10616, 1866086), (19238, 1029752), (21232, 933043), (38476, 514876), (76952, 257438), (128719, 153904)]