19669832

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:726

約数の個数: 64

約数和(自身を含む): 46569600

約数和(自身を除く): 26899768

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 104, 164, 182, 287, 328, 364, 533, 574, 659, 728, 1066, 1148, 1318, 2132, 2296, 2636, 3731, 4264, 4613, 5272, 7462, 8567, 9226, 14924, 17134, 18452, 27019, 29848, 34268, 36904, 54038, 59969, 68536, 108076, 119938, 189133, 216152, 239876, 351247, 378266, 479752, 702494, 756532, 1404988, 1513064, 2458729, 2809976, 4917458, 9834916, 19669832]

約数ペア:

[(1, 19669832), (2, 9834916), (4, 4917458), (7, 2809976), (8, 2458729), (13, 1513064), (14, 1404988), (26, 756532), (28, 702494), (41, 479752), (52, 378266), (56, 351247), (82, 239876), (91, 216152), (104, 189133), (164, 119938), (182, 108076), (287, 68536), (328, 59969), (364, 54038), (533, 36904), (574, 34268), (659, 29848), (728, 27019), (1066, 18452), (1148, 17134), (1318, 14924), (2132, 9226), (2296, 8567), (2636, 7462), (3731, 5272), (4264, 4613)]