19985616

素因数分解:

$2^4\times 3^4\times 7^1\times {\mathrm{2203}}^1$

素因数の和:2230

約数の個数: 100

約数和(自身を含む): 66137632

約数和(自身を除く): 46152016

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 81, 84, 108, 112, 126, 144, 162, 168, 189, 216, 252, 324, 336, 378, 432, 504, 567, 648, 756, 1008, 1134, 1296, 1512, 2203, 2268, 3024, 4406, 4536, 6609, 8812, 9072, 13218, 15421, 17624, 19827, 26436, 30842, 35248, 39654, 46263, 52872, 59481, 61684, 79308, 92526, 105744, 118962, 123368, 138789, 158616, 178443, 185052, 237924, 246736, 277578, 317232, 356886, 370104, 416367, 475848, 555156, 713772, 740208, 832734, 951696, 1110312, 1249101, 1427544, 1665468, 2220624, 2498202, 2855088, 3330936, 4996404, 6661872, 9992808, 19985616]

約数ペア:

[(1, 19985616), (2, 9992808), (3, 6661872), (4, 4996404), (6, 3330936), (7, 2855088), (8, 2498202), (9, 2220624), (12, 1665468), (14, 1427544), (16, 1249101), (18, 1110312), (21, 951696), (24, 832734), (27, 740208), (28, 713772), (36, 555156), (42, 475848), (48, 416367), (54, 370104), (56, 356886), (63, 317232), (72, 277578), (81, 246736), (84, 237924), (108, 185052), (112, 178443), (126, 158616), (144, 138789), (162, 123368), (168, 118962), (189, 105744), (216, 92526), (252, 79308), (324, 61684), (336, 59481), (378, 52872), (432, 46263), (504, 39654), (567, 35248), (648, 30842), (756, 26436), (1008, 19827), (1134, 17624), (1296, 15421), (1512, 13218), (2203, 9072), (2268, 8812), (3024, 6609), (4406, 4536)]