19795952

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{821}}^1$

素因数の和:977

約数の個数: 40

約数和(自身を含む): 42198192

約数和(自身を除く): 22402240

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 137, 176, 274, 548, 821, 1096, 1507, 1642, 2192, 3014, 3284, 6028, 6568, 9031, 12056, 13136, 18062, 24112, 36124, 72248, 112477, 144496, 224954, 449908, 899816, 1237247, 1799632, 2474494, 4948988, 9897976, 19795952]

約数ペア:

[(1, 19795952), (2, 9897976), (4, 4948988), (8, 2474494), (11, 1799632), (16, 1237247), (22, 899816), (44, 449908), (88, 224954), (137, 144496), (176, 112477), (274, 72248), (548, 36124), (821, 24112), (1096, 18062), (1507, 13136), (1642, 12056), (2192, 9031), (3014, 6568), (3284, 6028)]