19454864

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{773}}^1$

素因数の和:816

約数の個数: 60

約数和(自身を含む): 44676828

約数和(自身を除く): 25221964

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 121, 143, 176, 208, 242, 286, 484, 572, 773, 968, 1144, 1546, 1573, 1936, 2288, 3092, 3146, 6184, 6292, 8503, 10049, 12368, 12584, 17006, 20098, 25168, 34012, 40196, 68024, 80392, 93533, 110539, 136048, 160784, 187066, 221078, 374132, 442156, 748264, 884312, 1215929, 1496528, 1768624, 2431858, 4863716, 9727432, 19454864]

約数ペア:

[(1, 19454864), (2, 9727432), (4, 4863716), (8, 2431858), (11, 1768624), (13, 1496528), (16, 1215929), (22, 884312), (26, 748264), (44, 442156), (52, 374132), (88, 221078), (104, 187066), (121, 160784), (143, 136048), (176, 110539), (208, 93533), (242, 80392), (286, 68024), (484, 40196), (572, 34012), (773, 25168), (968, 20098), (1144, 17006), (1546, 12584), (1573, 12368), (1936, 10049), (2288, 8503), (3092, 6292), (3146, 6184)]