19669923

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 36848448

約数和(自身を除く): 17178525

約数列:

[1, 3, 7, 9, 13, 21, 39, 47, 49, 63, 73, 91, 117, 141, 147, 219, 273, 329, 423, 441, 511, 611, 637, 657, 819, 949, 987, 1533, 1833, 1911, 2303, 2847, 2961, 3431, 3577, 4277, 4599, 5499, 5733, 6643, 6909, 8541, 10293, 10731, 12831, 19929, 20727, 24017, 29939, 30879, 32193, 38493, 44603, 46501, 59787, 72051, 89817, 133809, 139503, 168119, 216153, 269451, 312221, 401427, 418509, 504357, 936663, 1513071, 2185547, 2809989, 6556641, 19669923]

約数ペア:

[(1, 19669923), (3, 6556641), (7, 2809989), (9, 2185547), (13, 1513071), (21, 936663), (39, 504357), (47, 418509), (49, 401427), (63, 312221), (73, 269451), (91, 216153), (117, 168119), (141, 139503), (147, 133809), (219, 89817), (273, 72051), (329, 59787), (423, 46501), (441, 44603), (511, 38493), (611, 32193), (637, 30879), (657, 29939), (819, 24017), (949, 20727), (987, 19929), (1533, 12831), (1833, 10731), (1911, 10293), (2303, 8541), (2847, 6909), (2961, 6643), (3431, 5733), (3577, 5499), (4277, 4599)]