19642240

素因数分解:

$2^7\times 5^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:719

約数の個数: 64

約数和(自身を含む): 48029760

約数和(自身を除く): 28387520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 64, 80, 94, 128, 160, 188, 235, 320, 376, 470, 640, 653, 752, 940, 1306, 1504, 1880, 2612, 3008, 3265, 3760, 5224, 6016, 6530, 7520, 10448, 13060, 15040, 20896, 26120, 30080, 30691, 41792, 52240, 61382, 83584, 104480, 122764, 153455, 208960, 245528, 306910, 417920, 491056, 613820, 982112, 1227640, 1964224, 2455280, 3928448, 4910560, 9821120, 19642240]

約数ペア:

[(1, 19642240), (2, 9821120), (4, 4910560), (5, 3928448), (8, 2455280), (10, 1964224), (16, 1227640), (20, 982112), (32, 613820), (40, 491056), (47, 417920), (64, 306910), (80, 245528), (94, 208960), (128, 153455), (160, 122764), (188, 104480), (235, 83584), (320, 61382), (376, 52240), (470, 41792), (640, 30691), (653, 30080), (752, 26120), (940, 20896), (1306, 15040), (1504, 13060), (1880, 10448), (2612, 7520), (3008, 6530), (3265, 6016), (3760, 5224)]