19377644

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1783}}^1$

素因数の和:1830

約数の個数: 48

約数和(自身を含む): 41959680

約数和(自身を除く): 22582036

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 1783, 2717, 3566, 5434, 7132, 10868, 19613, 23179, 33877, 39226, 46358, 67754, 78452, 92716, 135508, 254969, 372647, 440401, 509938, 745294, 880802, 1019876, 1490588, 1761604, 4844411, 9688822, 19377644]

約数ペア:

[(1, 19377644), (2, 9688822), (4, 4844411), (11, 1761604), (13, 1490588), (19, 1019876), (22, 880802), (26, 745294), (38, 509938), (44, 440401), (52, 372647), (76, 254969), (143, 135508), (209, 92716), (247, 78452), (286, 67754), (418, 46358), (494, 39226), (572, 33877), (836, 23179), (988, 19613), (1783, 10868), (2717, 7132), (3566, 5434)]