19695720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{347}}^1$

素因数の和:415

約数の個数: 128

約数和(自身を含む): 66147840

約数和(自身を除く): 46452120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 43, 44, 55, 60, 66, 86, 88, 110, 120, 129, 132, 165, 172, 215, 220, 258, 264, 330, 344, 347, 430, 440, 473, 516, 645, 660, 694, 860, 946, 1032, 1041, 1290, 1320, 1388, 1419, 1720, 1735, 1892, 2082, 2365, 2580, 2776, 2838, 3470, 3784, 3817, 4164, 4730, 5160, 5205, 5676, 6940, 7095, 7634, 8328, 9460, 10410, 11352, 11451, 13880, 14190, 14921, 15268, 18920, 19085, 20820, 22902, 28380, 29842, 30536, 38170, 41640, 44763, 45804, 56760, 57255, 59684, 74605, 76340, 89526, 91608, 114510, 119368, 149210, 152680, 164131, 179052, 223815, 229020, 298420, 328262, 358104, 447630, 458040, 492393, 596840, 656524, 820655, 895260, 984786, 1313048, 1641310, 1790520, 1969572, 2461965, 3282620, 3939144, 4923930, 6565240, 9847860, 19695720]

約数ペア:

[(1, 19695720), (2, 9847860), (3, 6565240), (4, 4923930), (5, 3939144), (6, 3282620), (8, 2461965), (10, 1969572), (11, 1790520), (12, 1641310), (15, 1313048), (20, 984786), (22, 895260), (24, 820655), (30, 656524), (33, 596840), (40, 492393), (43, 458040), (44, 447630), (55, 358104), (60, 328262), (66, 298420), (86, 229020), (88, 223815), (110, 179052), (120, 164131), (129, 152680), (132, 149210), (165, 119368), (172, 114510), (215, 91608), (220, 89526), (258, 76340), (264, 74605), (330, 59684), (344, 57255), (347, 56760), (430, 45804), (440, 44763), (473, 41640), (516, 38170), (645, 30536), (660, 29842), (694, 28380), (860, 22902), (946, 20820), (1032, 19085), (1041, 18920), (1290, 15268), (1320, 14921), (1388, 14190), (1419, 13880), (1720, 11451), (1735, 11352), (1892, 10410), (2082, 9460), (2365, 8328), (2580, 7634), (2776, 7095), (2838, 6940), (3470, 5676), (3784, 5205), (3817, 5160), (4164, 4730)]