199021808

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{3617}}^1$

素因数の和:3825

約数の個数: 40

約数和(自身を含む): 408255120

約数和(自身を除く): 209233312

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 181, 304, 362, 724, 1448, 2896, 3439, 3617, 6878, 7234, 13756, 14468, 27512, 28936, 55024, 57872, 68723, 137446, 274892, 549784, 654677, 1099568, 1309354, 2618708, 5237416, 10474832, 12438863, 24877726, 49755452, 99510904, 199021808]

約数ペア:

[(1, 199021808), (2, 99510904), (4, 49755452), (8, 24877726), (16, 12438863), (19, 10474832), (38, 5237416), (76, 2618708), (152, 1309354), (181, 1099568), (304, 654677), (362, 549784), (724, 274892), (1448, 137446), (2896, 68723), (3439, 57872), (3617, 55024), (6878, 28936), (7234, 27512), (13756, 14468)]