19640389938

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{443}}^1\times {\mathrm{2113}}^1$

素因数の和:2843

約数の個数: 64

約数和(自身を含む): 42575621760

約数和(自身を除く): 22935231822

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 269, 443, 538, 807, 886, 1329, 1614, 2113, 2658, 3497, 4226, 5759, 6339, 6994, 10491, 11518, 12678, 17277, 20982, 27469, 34554, 54938, 82407, 119167, 164814, 238334, 357501, 568397, 715002, 936059, 1136794, 1549171, 1705191, 1872118, 2808177, 3098342, 3410382, 4647513, 5616354, 7389161, 9295026, 12168767, 14778322, 22167483, 24337534, 36506301, 44334966, 73012602, 251799871, 503599742, 755399613, 1510799226, 3273398323, 6546796646, 9820194969, 19640389938]

約数ペア:

[(1, 19640389938), (2, 9820194969), (3, 6546796646), (6, 3273398323), (13, 1510799226), (26, 755399613), (39, 503599742), (78, 251799871), (269, 73012602), (443, 44334966), (538, 36506301), (807, 24337534), (886, 22167483), (1329, 14778322), (1614, 12168767), (2113, 9295026), (2658, 7389161), (3497, 5616354), (4226, 4647513), (5759, 3410382), (6339, 3098342), (6994, 2808177), (10491, 1872118), (11518, 1705191), (12678, 1549171), (17277, 1136794), (20982, 936059), (27469, 715002), (34554, 568397), (54938, 357501), (82407, 238334), (119167, 164814)]