19419268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:688

約数の個数: 48

約数和(自身を含む): 39997440

約数和(自身を除く): 20578172

約数列:

[1, 2, 4, 11, 22, 23, 31, 44, 46, 62, 92, 124, 253, 341, 506, 619, 682, 713, 1012, 1238, 1364, 1426, 2476, 2852, 6809, 7843, 13618, 14237, 15686, 19189, 27236, 28474, 31372, 38378, 56948, 76756, 156607, 211079, 313214, 422158, 441347, 626428, 844316, 882694, 1765388, 4854817, 9709634, 19419268]

約数ペア:

[(1, 19419268), (2, 9709634), (4, 4854817), (11, 1765388), (22, 882694), (23, 844316), (31, 626428), (44, 441347), (46, 422158), (62, 313214), (92, 211079), (124, 156607), (253, 76756), (341, 56948), (506, 38378), (619, 31372), (682, 28474), (713, 27236), (1012, 19189), (1238, 15686), (1364, 14237), (1426, 13618), (2476, 7843), (2852, 6809)]