19557135

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{331}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 36979488

約数和(自身を除く): 17422353

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 101, 117, 195, 303, 331, 505, 585, 909, 993, 1313, 1515, 1655, 2979, 3939, 4303, 4545, 4965, 6565, 11817, 12909, 14895, 19695, 21515, 33431, 38727, 59085, 64545, 100293, 167155, 193635, 300879, 434603, 501465, 1303809, 1504395, 2173015, 3911427, 6519045, 19557135]

約数ペア:

[(1, 19557135), (3, 6519045), (5, 3911427), (9, 2173015), (13, 1504395), (15, 1303809), (39, 501465), (45, 434603), (65, 300879), (101, 193635), (117, 167155), (195, 100293), (303, 64545), (331, 59085), (505, 38727), (585, 33431), (909, 21515), (993, 19695), (1313, 14895), (1515, 12909), (1655, 11817), (2979, 6565), (3939, 4965), (4303, 4545)]