19450648

素因数分解:

$2^3\times 7^2\times {\mathrm{29}}^2\times {\mathrm{59}}^1$

素因数の和:137

約数の個数: 72

約数和(自身を含む): 44682300

約数和(自身を除く): 25231652

約数列:

[1, 2, 4, 7, 8, 14, 28, 29, 49, 56, 58, 59, 98, 116, 118, 196, 203, 232, 236, 392, 406, 413, 472, 812, 826, 841, 1421, 1624, 1652, 1682, 1711, 2842, 2891, 3304, 3364, 3422, 5684, 5782, 5887, 6728, 6844, 11368, 11564, 11774, 11977, 13688, 23128, 23548, 23954, 41209, 47096, 47908, 49619, 82418, 83839, 95816, 99238, 164836, 167678, 198476, 329672, 335356, 347333, 396952, 670712, 694666, 1389332, 2431331, 2778664, 4862662, 9725324, 19450648]

約数ペア:

[(1, 19450648), (2, 9725324), (4, 4862662), (7, 2778664), (8, 2431331), (14, 1389332), (28, 694666), (29, 670712), (49, 396952), (56, 347333), (58, 335356), (59, 329672), (98, 198476), (116, 167678), (118, 164836), (196, 99238), (203, 95816), (232, 83839), (236, 82418), (392, 49619), (406, 47908), (413, 47096), (472, 41209), (812, 23954), (826, 23548), (841, 23128), (1421, 13688), (1624, 11977), (1652, 11774), (1682, 11564), (1711, 11368), (2842, 6844), (2891, 6728), (3304, 5887), (3364, 5782), (3422, 5684)]