19451264

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1277}}^1$

素因数の和:1315

約数の個数: 64

約数和(自身を含む): 46928160

約数和(自身を除く): 27476896

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 272, 448, 476, 544, 896, 952, 1088, 1277, 1904, 2176, 2554, 3808, 5108, 7616, 8939, 10216, 15232, 17878, 20432, 21709, 35756, 40864, 43418, 71512, 81728, 86836, 143024, 151963, 163456, 173672, 286048, 303926, 347344, 572096, 607852, 694688, 1144192, 1215704, 1389376, 2431408, 2778752, 4862816, 9725632, 19451264]

約数ペア:

[(1, 19451264), (2, 9725632), (4, 4862816), (7, 2778752), (8, 2431408), (14, 1389376), (16, 1215704), (17, 1144192), (28, 694688), (32, 607852), (34, 572096), (56, 347344), (64, 303926), (68, 286048), (112, 173672), (119, 163456), (128, 151963), (136, 143024), (224, 86836), (238, 81728), (272, 71512), (448, 43418), (476, 40864), (544, 35756), (896, 21709), (952, 20432), (1088, 17878), (1277, 15232), (1904, 10216), (2176, 8939), (2554, 7616), (3808, 5108)]