16721406

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3761}}^1$

素因数の和:3801

約数の個数: 48

約数和(自身を含む): 41081040

約数和(自身を除く): 24359634

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 494, 741, 1482, 2223, 3761, 4446, 7522, 11283, 22566, 33849, 48893, 67698, 71459, 97786, 142918, 146679, 214377, 293358, 428754, 440037, 643131, 880074, 928967, 1286262, 1857934, 2786901, 5573802, 8360703, 16721406]

約数ペア:

[(1, 16721406), (2, 8360703), (3, 5573802), (6, 2786901), (9, 1857934), (13, 1286262), (18, 928967), (19, 880074), (26, 643131), (38, 440037), (39, 428754), (57, 293358), (78, 214377), (114, 146679), (117, 142918), (171, 97786), (234, 71459), (247, 67698), (342, 48893), (494, 33849), (741, 22566), (1482, 11283), (2223, 7522), (3761, 4446)]