19421116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1787}}^1$

素因数の和:1834

約数の個数: 48

約数和(自身を含む): 42053760

約数和(自身を除く): 22632644

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 38, 44, 52, 76, 143, 209, 247, 286, 418, 494, 572, 836, 988, 1787, 2717, 3574, 5434, 7148, 10868, 19657, 23231, 33953, 39314, 46462, 67906, 78628, 92924, 135812, 255541, 373483, 441389, 511082, 746966, 882778, 1022164, 1493932, 1765556, 4855279, 9710558, 19421116]

約数ペア:

[(1, 19421116), (2, 9710558), (4, 4855279), (11, 1765556), (13, 1493932), (19, 1022164), (22, 882778), (26, 746966), (38, 511082), (44, 441389), (52, 373483), (76, 255541), (143, 135812), (209, 92924), (247, 78628), (286, 67906), (418, 46462), (494, 39314), (572, 33953), (836, 23231), (988, 19657), (1787, 10868), (2717, 7148), (3574, 5434)]