19768140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:592

約数の個数: 144

約数和(自身を含む): 71023680

約数和(自身を除く): 51255540

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 29, 30, 35, 36, 42, 45, 58, 60, 63, 70, 84, 87, 90, 105, 116, 126, 140, 145, 174, 180, 203, 210, 252, 261, 290, 315, 348, 406, 420, 435, 522, 541, 580, 609, 630, 812, 870, 1015, 1044, 1082, 1218, 1260, 1305, 1623, 1740, 1827, 2030, 2164, 2436, 2610, 2705, 3045, 3246, 3654, 3787, 4060, 4869, 5220, 5410, 6090, 6492, 7308, 7574, 8115, 9135, 9738, 10820, 11361, 12180, 15148, 15689, 16230, 18270, 18935, 19476, 22722, 24345, 31378, 32460, 34083, 36540, 37870, 45444, 47067, 48690, 56805, 62756, 68166, 75740, 78445, 94134, 97380, 109823, 113610, 136332, 141201, 156890, 170415, 188268, 219646, 227220, 235335, 282402, 313780, 329469, 340830, 439292, 470670, 549115, 564804, 658938, 681660, 706005, 941340, 988407, 1098230, 1317876, 1412010, 1647345, 1976814, 2196460, 2824020, 3294690, 3953628, 4942035, 6589380, 9884070, 19768140]

約数ペア:

[(1, 19768140), (2, 9884070), (3, 6589380), (4, 4942035), (5, 3953628), (6, 3294690), (7, 2824020), (9, 2196460), (10, 1976814), (12, 1647345), (14, 1412010), (15, 1317876), (18, 1098230), (20, 988407), (21, 941340), (28, 706005), (29, 681660), (30, 658938), (35, 564804), (36, 549115), (42, 470670), (45, 439292), (58, 340830), (60, 329469), (63, 313780), (70, 282402), (84, 235335), (87, 227220), (90, 219646), (105, 188268), (116, 170415), (126, 156890), (140, 141201), (145, 136332), (174, 113610), (180, 109823), (203, 97380), (210, 94134), (252, 78445), (261, 75740), (290, 68166), (315, 62756), (348, 56805), (406, 48690), (420, 47067), (435, 45444), (522, 37870), (541, 36540), (580, 34083), (609, 32460), (630, 31378), (812, 24345), (870, 22722), (1015, 19476), (1044, 18935), (1082, 18270), (1218, 16230), (1260, 15689), (1305, 15148), (1623, 12180), (1740, 11361), (1827, 10820), (2030, 9738), (2164, 9135), (2436, 8115), (2610, 7574), (2705, 7308), (3045, 6492), (3246, 6090), (3654, 5410), (3787, 5220), (4060, 4869)]