19080880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2621}}^1$

素因数の和:2654

約数の個数: 80

約数和(自身を含む): 54621504

約数和(自身を除く): 35540624

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 2621, 3640, 5242, 7280, 10484, 13105, 18347, 20968, 26210, 34073, 36694, 41936, 52420, 68146, 73388, 91735, 104840, 136292, 146776, 170365, 183470, 209680, 238511, 272584, 293552, 340730, 366940, 477022, 545168, 681460, 733880, 954044, 1192555, 1362920, 1467760, 1908088, 2385110, 2725840, 3816176, 4770220, 9540440, 19080880]

約数ペア:

[(1, 19080880), (2, 9540440), (4, 4770220), (5, 3816176), (7, 2725840), (8, 2385110), (10, 1908088), (13, 1467760), (14, 1362920), (16, 1192555), (20, 954044), (26, 733880), (28, 681460), (35, 545168), (40, 477022), (52, 366940), (56, 340730), (65, 293552), (70, 272584), (80, 238511), (91, 209680), (104, 183470), (112, 170365), (130, 146776), (140, 136292), (182, 104840), (208, 91735), (260, 73388), (280, 68146), (364, 52420), (455, 41936), (520, 36694), (560, 34073), (728, 26210), (910, 20968), (1040, 18347), (1456, 13105), (1820, 10484), (2621, 7280), (3640, 5242)]