19813256896

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{151237}}^1$

素因数の和:151361

約数の個数: 56

約数和(自身を含む): 41487608160

約数和(自身を除く): 21674351264

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 89, 92, 178, 184, 356, 368, 712, 736, 1424, 1472, 2047, 2848, 4094, 5696, 8188, 16376, 32752, 65504, 131008, 151237, 302474, 604948, 1209896, 2419792, 3478451, 4839584, 6956902, 9679168, 13460093, 13913804, 26920186, 27827608, 53840372, 55655216, 107680744, 111310432, 215361488, 222620864, 309582139, 430722976, 619164278, 861445952, 1238328556, 2476657112, 4953314224, 9906628448, 19813256896]

約数ペア:

[(1, 19813256896), (2, 9906628448), (4, 4953314224), (8, 2476657112), (16, 1238328556), (23, 861445952), (32, 619164278), (46, 430722976), (64, 309582139), (89, 222620864), (92, 215361488), (178, 111310432), (184, 107680744), (356, 55655216), (368, 53840372), (712, 27827608), (736, 26920186), (1424, 13913804), (1472, 13460093), (2047, 9679168), (2848, 6956902), (4094, 4839584), (5696, 3478451), (8188, 2419792), (16376, 1209896), (32752, 604948), (65504, 302474), (131008, 151237)]