19940688

素因数分解:

$2^4\times 3^3\times {\mathrm{31}}^1\times {\mathrm{1489}}^1$

素因数の和:1537

約数の個数: 80

約数和(自身を含む): 59123200

約数和(自身を除く): 39182512

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 31, 36, 48, 54, 62, 72, 93, 108, 124, 144, 186, 216, 248, 279, 372, 432, 496, 558, 744, 837, 1116, 1488, 1489, 1674, 2232, 2978, 3348, 4464, 4467, 5956, 6696, 8934, 11912, 13392, 13401, 17868, 23824, 26802, 35736, 40203, 46159, 53604, 71472, 80406, 92318, 107208, 138477, 160812, 184636, 214416, 276954, 321624, 369272, 415431, 553908, 643248, 738544, 830862, 1107816, 1246293, 1661724, 2215632, 2492586, 3323448, 4985172, 6646896, 9970344, 19940688]

約数ペア:

[(1, 19940688), (2, 9970344), (3, 6646896), (4, 4985172), (6, 3323448), (8, 2492586), (9, 2215632), (12, 1661724), (16, 1246293), (18, 1107816), (24, 830862), (27, 738544), (31, 643248), (36, 553908), (48, 415431), (54, 369272), (62, 321624), (72, 276954), (93, 214416), (108, 184636), (124, 160812), (144, 138477), (186, 107208), (216, 92318), (248, 80406), (279, 71472), (372, 53604), (432, 46159), (496, 40203), (558, 35736), (744, 26802), (837, 23824), (1116, 17868), (1488, 13401), (1489, 13392), (1674, 11912), (2232, 8934), (2978, 6696), (3348, 5956), (4464, 4467)]