191819120

素因数分解:

$2^4\times 5^1\times {\mathrm{1481}}^1\times {\mathrm{1619}}^1$

素因数の和:3113

約数の個数: 40

約数和(自身を含む): 446556240

約数和(自身を除く): 254737120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1481, 1619, 2962, 3238, 5924, 6476, 7405, 8095, 11848, 12952, 14810, 16190, 23696, 25904, 29620, 32380, 59240, 64760, 118480, 129520, 2397739, 4795478, 9590956, 11988695, 19181912, 23977390, 38363824, 47954780, 95909560, 191819120]

約数ペア:

[(1, 191819120), (2, 95909560), (4, 47954780), (5, 38363824), (8, 23977390), (10, 19181912), (16, 11988695), (20, 9590956), (40, 4795478), (80, 2397739), (1481, 129520), (1619, 118480), (2962, 64760), (3238, 59240), (5924, 32380), (6476, 29620), (7405, 25904), (8095, 23696), (11848, 16190), (12952, 14810)]