18946112

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:307

約数の個数: 56

約数和(自身を含む): 40062912

約数和(自身を除く): 21116800

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 61, 64, 92, 122, 184, 211, 244, 368, 422, 488, 736, 844, 976, 1403, 1472, 1688, 1952, 2806, 3376, 3904, 4853, 5612, 6752, 9706, 11224, 12871, 13504, 19412, 22448, 25742, 38824, 44896, 51484, 77648, 89792, 102968, 155296, 205936, 296033, 310592, 411872, 592066, 823744, 1184132, 2368264, 4736528, 9473056, 18946112]

約数ペア:

[(1, 18946112), (2, 9473056), (4, 4736528), (8, 2368264), (16, 1184132), (23, 823744), (32, 592066), (46, 411872), (61, 310592), (64, 296033), (92, 205936), (122, 155296), (184, 102968), (211, 89792), (244, 77648), (368, 51484), (422, 44896), (488, 38824), (736, 25742), (844, 22448), (976, 19412), (1403, 13504), (1472, 12871), (1688, 11224), (1952, 9706), (2806, 6752), (3376, 5612), (3904, 4853)]