19005675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 34351968

約数和(自身を除く): 15346293

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 101, 193, 195, 303, 325, 505, 579, 965, 975, 1313, 1515, 2509, 2525, 2895, 3939, 4825, 6565, 7527, 7575, 12545, 14475, 19493, 19695, 32825, 37635, 58479, 62725, 97465, 98475, 188175, 253409, 292395, 487325, 760227, 1267045, 1461975, 3801135, 6335225, 19005675]

約数ペア:

[(1, 19005675), (3, 6335225), (5, 3801135), (13, 1461975), (15, 1267045), (25, 760227), (39, 487325), (65, 292395), (75, 253409), (101, 188175), (193, 98475), (195, 97465), (303, 62725), (325, 58479), (505, 37635), (579, 32825), (965, 19695), (975, 19493), (1313, 14475), (1515, 12545), (2509, 7575), (2525, 7527), (2895, 6565), (3939, 4825)]