19397560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^2$

素因数の和:177

約数の個数: 96

約数和(自身を含む): 54462240

約数和(自身を除く): 35064680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 73, 91, 104, 130, 140, 146, 182, 260, 280, 292, 364, 365, 455, 511, 520, 584, 728, 730, 910, 949, 1022, 1460, 1820, 1898, 2044, 2555, 2920, 3640, 3796, 4088, 4745, 5110, 5329, 6643, 7592, 9490, 10220, 10658, 13286, 18980, 20440, 21316, 26572, 26645, 33215, 37303, 37960, 42632, 53144, 53290, 66430, 69277, 74606, 106580, 132860, 138554, 149212, 186515, 213160, 265720, 277108, 298424, 346385, 373030, 484939, 554216, 692770, 746060, 969878, 1385540, 1492120, 1939756, 2424695, 2771080, 3879512, 4849390, 9698780, 19397560]

約数ペア:

[(1, 19397560), (2, 9698780), (4, 4849390), (5, 3879512), (7, 2771080), (8, 2424695), (10, 1939756), (13, 1492120), (14, 1385540), (20, 969878), (26, 746060), (28, 692770), (35, 554216), (40, 484939), (52, 373030), (56, 346385), (65, 298424), (70, 277108), (73, 265720), (91, 213160), (104, 186515), (130, 149212), (140, 138554), (146, 132860), (182, 106580), (260, 74606), (280, 69277), (292, 66430), (364, 53290), (365, 53144), (455, 42632), (511, 37960), (520, 37303), (584, 33215), (728, 26645), (730, 26572), (910, 21316), (949, 20440), (1022, 18980), (1460, 13286), (1820, 10658), (1898, 10220), (2044, 9490), (2555, 7592), (2920, 6643), (3640, 5329), (3796, 5110), (4088, 4745)]