19867536

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{10613}}^1$

素因数の和:10640

約数の個数: 60

約数和(自身を含む): 59884188

約数和(自身を除く): 40016652

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 10613, 21226, 31839, 42452, 63678, 84904, 95517, 127356, 137969, 169808, 191034, 254712, 275938, 382068, 413907, 509424, 551876, 764136, 827814, 1103752, 1241721, 1528272, 1655628, 2207504, 2483442, 3311256, 4966884, 6622512, 9933768, 19867536]

約数ペア:

[(1, 19867536), (2, 9933768), (3, 6622512), (4, 4966884), (6, 3311256), (8, 2483442), (9, 2207504), (12, 1655628), (13, 1528272), (16, 1241721), (18, 1103752), (24, 827814), (26, 764136), (36, 551876), (39, 509424), (48, 413907), (52, 382068), (72, 275938), (78, 254712), (104, 191034), (117, 169808), (144, 137969), (156, 127356), (208, 95517), (234, 84904), (312, 63678), (468, 42452), (624, 31839), (936, 21226), (1872, 10613)]