19400654

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:169

約数の個数: 64

約数和(自身を含む): 38201856

約数和(自身を除く): 18801202

約数列:

[1, 2, 7, 13, 14, 26, 37, 43, 67, 74, 86, 91, 134, 182, 259, 301, 469, 481, 518, 559, 602, 871, 938, 962, 1118, 1591, 1742, 2479, 2881, 3182, 3367, 3913, 4958, 5762, 6097, 6734, 7826, 11137, 12194, 17353, 20167, 20683, 22274, 32227, 34706, 37453, 40334, 41366, 64454, 74906, 106597, 144781, 213194, 225589, 262171, 289562, 451178, 524342, 746179, 1385761, 1492358, 2771522, 9700327, 19400654]

約数ペア:

[(1, 19400654), (2, 9700327), (7, 2771522), (13, 1492358), (14, 1385761), (26, 746179), (37, 524342), (43, 451178), (67, 289562), (74, 262171), (86, 225589), (91, 213194), (134, 144781), (182, 106597), (259, 74906), (301, 64454), (469, 41366), (481, 40334), (518, 37453), (559, 34706), (602, 32227), (871, 22274), (938, 20683), (962, 20167), (1118, 17353), (1591, 12194), (1742, 11137), (2479, 7826), (2881, 6734), (3182, 6097), (3367, 5762), (3913, 4958)]