19754340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:317

約数の個数: 96

約数和(自身を含む): 59439744

約数和(自身を除く): 39685404

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 30, 34, 51, 60, 68, 85, 102, 107, 170, 181, 204, 214, 255, 321, 340, 362, 428, 510, 535, 543, 642, 724, 905, 1020, 1070, 1086, 1284, 1605, 1810, 1819, 2140, 2172, 2715, 3077, 3210, 3620, 3638, 5430, 5457, 6154, 6420, 7276, 9095, 9231, 10860, 10914, 12308, 15385, 18190, 18462, 19367, 21828, 27285, 30770, 36380, 36924, 38734, 46155, 54570, 58101, 61540, 77468, 92310, 96835, 109140, 116202, 184620, 193670, 232404, 290505, 329239, 387340, 581010, 658478, 987717, 1162020, 1316956, 1646195, 1975434, 3292390, 3950868, 4938585, 6584780, 9877170, 19754340]

約数ペア:

[(1, 19754340), (2, 9877170), (3, 6584780), (4, 4938585), (5, 3950868), (6, 3292390), (10, 1975434), (12, 1646195), (15, 1316956), (17, 1162020), (20, 987717), (30, 658478), (34, 581010), (51, 387340), (60, 329239), (68, 290505), (85, 232404), (102, 193670), (107, 184620), (170, 116202), (181, 109140), (204, 96835), (214, 92310), (255, 77468), (321, 61540), (340, 58101), (362, 54570), (428, 46155), (510, 38734), (535, 36924), (543, 36380), (642, 30770), (724, 27285), (905, 21828), (1020, 19367), (1070, 18462), (1086, 18190), (1284, 15385), (1605, 12308), (1810, 10914), (1819, 10860), (2140, 9231), (2172, 9095), (2715, 7276), (3077, 6420), (3210, 6154), (3620, 5457), (3638, 5430)]