19938930

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:152

約数の個数: 128

約数和(自身を含む): 56733696

約数和(自身を除く): 36794766

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 23, 30, 33, 37, 46, 55, 66, 69, 71, 74, 110, 111, 115, 138, 142, 165, 185, 213, 222, 230, 253, 330, 345, 355, 370, 407, 426, 506, 555, 690, 710, 759, 781, 814, 851, 1065, 1110, 1221, 1265, 1518, 1562, 1633, 1702, 2035, 2130, 2343, 2442, 2530, 2553, 2627, 3266, 3795, 3905, 4070, 4255, 4686, 4899, 5106, 5254, 6105, 7590, 7810, 7881, 8165, 8510, 9361, 9798, 11715, 12210, 12765, 13135, 15762, 16330, 17963, 18722, 23430, 24495, 25530, 26270, 28083, 28897, 35926, 39405, 46805, 48990, 53889, 56166, 57794, 60421, 78810, 86691, 89815, 93610, 107778, 120842, 140415, 144485, 173382, 179630, 181263, 269445, 280830, 288970, 302105, 362526, 433455, 538890, 604210, 664631, 866910, 906315, 1329262, 1812630, 1993893, 3323155, 3987786, 6646310, 9969465, 19938930]

約数ペア:

[(1, 19938930), (2, 9969465), (3, 6646310), (5, 3987786), (6, 3323155), (10, 1993893), (11, 1812630), (15, 1329262), (22, 906315), (23, 866910), (30, 664631), (33, 604210), (37, 538890), (46, 433455), (55, 362526), (66, 302105), (69, 288970), (71, 280830), (74, 269445), (110, 181263), (111, 179630), (115, 173382), (138, 144485), (142, 140415), (165, 120842), (185, 107778), (213, 93610), (222, 89815), (230, 86691), (253, 78810), (330, 60421), (345, 57794), (355, 56166), (370, 53889), (407, 48990), (426, 46805), (506, 39405), (555, 35926), (690, 28897), (710, 28083), (759, 26270), (781, 25530), (814, 24495), (851, 23430), (1065, 18722), (1110, 17963), (1221, 16330), (1265, 15762), (1518, 13135), (1562, 12765), (1633, 12210), (1702, 11715), (2035, 9798), (2130, 9361), (2343, 8510), (2442, 8165), (2530, 7881), (2553, 7810), (2627, 7590), (3266, 6105), (3795, 5254), (3905, 5106), (4070, 4899), (4255, 4686)]