19509568

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{179}}^1$

素因数の和:335

約数の個数: 56

約数和(自身を含む): 42245280

約数和(自身を除く): 22735712

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 131, 179, 208, 262, 358, 416, 524, 716, 832, 1048, 1432, 1703, 2096, 2327, 2864, 3406, 4192, 4654, 5728, 6812, 8384, 9308, 11456, 13624, 18616, 23449, 27248, 37232, 46898, 54496, 74464, 93796, 108992, 148928, 187592, 304837, 375184, 609674, 750368, 1219348, 1500736, 2438696, 4877392, 9754784, 19509568]

約数ペア:

[(1, 19509568), (2, 9754784), (4, 4877392), (8, 2438696), (13, 1500736), (16, 1219348), (26, 750368), (32, 609674), (52, 375184), (64, 304837), (104, 187592), (131, 148928), (179, 108992), (208, 93796), (262, 74464), (358, 54496), (416, 46898), (524, 37232), (716, 27248), (832, 23449), (1048, 18616), (1432, 13624), (1703, 11456), (2096, 9308), (2327, 8384), (2864, 6812), (3406, 5728), (4192, 4654)]